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Dynamic Periodictable
Atoms
Interactive Periodic Table | By Resistivity
S
H
C
i
i
S
H
C
$
Resistivity
0
m Ω
Pa
Symbol
Name
Atomic
Number
Protactinium
91
H
1
Hydrogen
el.name
Electron Panel Modal created by GPPT Lab
1
Atom Number
H
Symbol
Hydrogen
Name
Nonmetal
Category
1.0
Group
Gas
Phase
Discovered By
Henry Cavendish
1766
Year
1.008
u
Atomic Mass
28.836
kJ/mol
Molar Heat
120.00
Atomic Radius
1.0
Group
g/cm3
0.090
Density
1.0
Period
20.300
°K
Boil
13.990
°K
Melt
view_pus [#816]
Created with Sketch.
He
2
Helium
el.name
Electron Panel Modal created by GPPT Lab
2
Atom Number
He
Symbol
Helium
Name
Noble gas
Category
18.0
Group
Gas
Phase
Discovered By
Pierre Janssen
1868
Year
4.003
u
Atomic Mass
0.000
kJ/mol
Molar Heat
140.00
Atomic Radius
18.0
Group
g/cm3
0.179
Density
1.0
Period
4.200
°K
Boil
0.950
°K
Melt
view_pus [#816]
Created with Sketch.
Li
3
Lithium
el.name
Electron Panel Modal created by GPPT Lab
3
Atom Number
Li
Symbol
Lithium
Name
Alkali metal
Category
1.0
Group
Solid
Phase
Discovered By
Johan August Arfwedson
1817
Year
7.000
u
Atomic Mass
24.860
kJ/mol
Molar Heat
182.00
Atomic Radius
1.0
Group
g/cm3
0.534
Density
2.0
Period
1603.000
°K
Boil
453.650
°K
Melt
view_pus [#816]
Created with Sketch.
Be
4
Beryllium
el.name
Electron Panel Modal created by GPPT Lab
4
Atom Number
Be
Symbol
Beryllium
Name
Alkaline earth metal
Category
2.0
Group
Solid
Phase
Discovered By
Louis Nicolas Vauquelin
1798
Year
9.012
u
Atomic Mass
16.443
kJ/mol
Molar Heat
153.00
Atomic Radius
2.0
Group
g/cm3
1.850
Density
2.0
Period
2742.000
°K
Boil
1560.000
°K
Melt
view_pus [#816]
Created with Sketch.
B
1.0E+4
5
Boron
el.name
Electron Panel Modal created by GPPT Lab
5
Atom Number
B
Symbol
Boron
Name
Metalloid
Category
13.0
Group
Solid
Phase
Discovered By
Joseph Louis Gay-Lussac
1808
Year
10.810
u
Atomic Mass
11.087
kJ/mol
Molar Heat
192.00
Atomic Radius
13.0
Group
g/cm3
2.080
Density
2.0
Period
4200.000
°K
Boil
2349.000
°K
Melt
view_pus [#816]
Created with Sketch.
C
6
Carbon
el.name
Electron Panel Modal created by GPPT Lab
6
Atom Number
C
Symbol
Carbon
Name
Nonmetal
Category
14.0
Group
Solid
Phase
Discovered By
Ancient Egypt
0
Year
12.011
u
Atomic Mass
8.517
kJ/mol
Molar Heat
170.00
Atomic Radius
14.0
Group
g/cm3
1.821
Density
2.0
Period
0.000
°K
Boil
-0.001
°K
Melt
view_pus [#816]
Created with Sketch.
N
7
Nitrogen
el.name
Electron Panel Modal created by GPPT Lab
7
Atom Number
N
Symbol
Nitrogen
Name
Nonmetal
Category
15.0
Group
Gas
Phase
Discovered By
Daniel Rutherford
1772
Year
14.007
u
Atomic Mass
0.000
kJ/mol
Molar Heat
155.00
Atomic Radius
15.0
Group
g/cm3
1.251
Density
2.0
Period
77.400
°K
Boil
63.150
°K
Melt
view_pus [#816]
Created with Sketch.
O
8
Oxygen
el.name
Electron Panel Modal created by GPPT Lab
8
Atom Number
O
Symbol
Oxygen
Name
Nonmetal
Category
16.0
Group
Gas
Phase
Discovered By
Carl Wilhelm Scheele
1774
Year
15.999
u
Atomic Mass
0.000
kJ/mol
Molar Heat
152.00
Atomic Radius
16.0
Group
g/cm3
1.429
Density
2.0
Period
90.200
°K
Boil
54.360
°K
Melt
view_pus [#816]
Created with Sketch.
F
9
Fluorine
el.name
Electron Panel Modal created by GPPT Lab
9
Atom Number
F
Symbol
Fluorine
Name
Halogen
Category
17.0
Group
Gas
Phase
Discovered By
André-Marie Ampère
1670
Year
18.998
u
Atomic Mass
0.000
kJ/mol
Molar Heat
135.00
Atomic Radius
17.0
Group
g/cm3
1.696
Density
2.0
Period
85.000
°K
Boil
53.480
°K
Melt
view_pus [#816]
Created with Sketch.
Ne
10
Neon
el.name
Electron Panel Modal created by GPPT Lab
10
Atom Number
Ne
Symbol
Neon
Name
Noble gas
Category
18.0
Group
Gas
Phase
Discovered By
Morris Travers
1898
Year
20.180
u
Atomic Mass
0.000
kJ/mol
Molar Heat
154.00
Atomic Radius
18.0
Group
g/cm3
0.900
Density
2.0
Period
27.100
°K
Boil
24.560
°K
Melt
view_pus [#816]
Created with Sketch.
Na
11
Sodium
el.name
Electron Panel Modal created by GPPT Lab
11
Atom Number
Na
Symbol
Sodium
Name
Alkali metal
Category
1.0
Group
Solid
Phase
Discovered By
Humphry Davy
1807
Year
22.990
u
Atomic Mass
28.230
kJ/mol
Molar Heat
227.00
Atomic Radius
1.0
Group
g/cm3
0.968
Density
3.0
Period
1156.100
°K
Boil
370.944
°K
Melt
view_pus [#816]
Created with Sketch.
Mg
12
Magnesium
el.name
Electron Panel Modal created by GPPT Lab
12
Atom Number
Mg
Symbol
Magnesium
Name
Alkaline earth metal
Category
2.0
Group
Solid
Phase
Discovered By
Joseph Black
1808
Year
24.305
u
Atomic Mass
24.869
kJ/mol
Molar Heat
173.00
Atomic Radius
2.0
Group
g/cm3
1.738
Density
3.0
Period
1363.000
°K
Boil
923.000
°K
Melt
view_pus [#816]
Created with Sketch.
Al
13
Aluminium
el.name
Electron Panel Modal created by GPPT Lab
13
Atom Number
Al
Symbol
Aluminium
Name
Post-transition metal
Category
13.0
Group
Solid
Phase
Discovered By
0
Year
26.982
u
Atomic Mass
24.200
kJ/mol
Molar Heat
184.00
Atomic Radius
13.0
Group
g/cm3
2.700
Density
3.0
Period
2743.000
°K
Boil
933.470
°K
Melt
view_pus [#816]
Created with Sketch.
Si
1.0E-3
14
Silicon
el.name
Electron Panel Modal created by GPPT Lab
14
Atom Number
Si
Symbol
Silicon
Name
Metalloid
Category
14.0
Group
Solid
Phase
Discovered By
Jöns Jacob Berzelius
1854
Year
28.085
u
Atomic Mass
19.789
kJ/mol
Molar Heat
210.00
Atomic Radius
14.0
Group
g/cm3
2.329
Density
3.0
Period
3538.000
°K
Boil
1687.000
°K
Melt
view_pus [#816]
Created with Sketch.
P
15
Phosphorus
el.name
Electron Panel Modal created by GPPT Lab
15
Atom Number
P
Symbol
Phosphorus
Name
Nonmetal
Category
15.0
Group
Solid
Phase
Discovered By
Hennig Brand
1669
Year
30.974
u
Atomic Mass
23.824
kJ/mol
Molar Heat
180.00
Atomic Radius
15.0
Group
g/cm3
1.823
Density
3.0
Period
0.000
°K
Boil
1.000
°K
Melt
view_pus [#816]
Created with Sketch.
S
1.0E+14
16
Sulfur
el.name
Electron Panel Modal created by GPPT Lab
16
Atom Number
S
Symbol
Sulfur
Name
Nonmetal
Category
16.0
Group
Solid
Phase
Discovered By
Ancient china
0
Year
32.070
u
Atomic Mass
22.750
kJ/mol
Molar Heat
180.00
Atomic Radius
16.0
Group
g/cm3
2.070
Density
3.0
Period
717.800
°K
Boil
388.360
°K
Melt
view_pus [#816]
Created with Sketch.
Cl
1.0E+2
17
Chlorine
el.name
Electron Panel Modal created by GPPT Lab
17
Atom Number
Cl
Symbol
Chlorine
Name
Halogen
Category
17.0
Group
Gas
Phase
Discovered By
Carl Wilhelm Scheele
1774
Year
35.450
u
Atomic Mass
0.000
kJ/mol
Molar Heat
175.00
Atomic Radius
17.0
Group
g/cm3
3.200
Density
3.0
Period
239.100
°K
Boil
171.600
°K
Melt
view_pus [#816]
Created with Sketch.
Ar
18
Argon
el.name
Electron Panel Modal created by GPPT Lab
18
Atom Number
Ar
Symbol
Argon
Name
Noble gas
Category
18.0
Group
Gas
Phase
Discovered By
Lord Rayleigh
1894
Year
39.900
u
Atomic Mass
0.000
kJ/mol
Molar Heat
188.00
Atomic Radius
18.0
Group
g/cm3
1.784
Density
3.0
Period
87.300
°K
Boil
83.810
°K
Melt
view_pus [#816]
Created with Sketch.
K
19
Potassium
el.name
Electron Panel Modal created by GPPT Lab
19
Atom Number
K
Symbol
Potassium
Name
Alkali metal
Category
1.0
Group
Solid
Phase
Discovered By
Humphry Davy
1807
Year
39.098
u
Atomic Mass
29.600
kJ/mol
Molar Heat
275.00
Atomic Radius
1.0
Group
g/cm3
0.862
Density
4.0
Period
1032.000
°K
Boil
336.700
°K
Melt
view_pus [#816]
Created with Sketch.
Ca
20
Calcium
el.name
Electron Panel Modal created by GPPT Lab
20
Atom Number
Ca
Symbol
Calcium
Name
Alkaline earth metal
Category
2.0
Group
Solid
Phase
Discovered By
Humphry Davy
0
Year
40.080
u
Atomic Mass
25.929
kJ/mol
Molar Heat
231.00
Atomic Radius
2.0
Group
g/cm3
1.550
Density
4.0
Period
1757.000
°K
Boil
1115.000
°K
Melt
view_pus [#816]
Created with Sketch.
Sc
21
Scandium
el.name
Electron Panel Modal created by GPPT Lab
21
Atom Number
Sc
Symbol
Scandium
Name
Transition metal
Category
3.0
Group
Solid
Phase
Discovered By
Lars Fredrik Nilson
1879
Year
44.956
u
Atomic Mass
25.520
kJ/mol
Molar Heat
211.00
Atomic Radius
3.0
Group
g/cm3
2.985
Density
4.0
Period
3109.000
°K
Boil
1814.000
°K
Melt
view_pus [#816]
Created with Sketch.
Ti
22
Titanium
el.name
Electron Panel Modal created by GPPT Lab
22
Atom Number
Ti
Symbol
Titanium
Name
Transition metal
Category
4.0
Group
Solid
Phase
Discovered By
William Gregor
1791
Year
47.867
u
Atomic Mass
25.060
kJ/mol
Molar Heat
187.00
Atomic Radius
4.0
Group
g/cm3
4.506
Density
4.0
Period
3560.000
°K
Boil
1941.000
°K
Melt
view_pus [#816]
Created with Sketch.
V
23
Vanadium
el.name
Electron Panel Modal created by GPPT Lab
23
Atom Number
V
Symbol
Vanadium
Name
Transition metal
Category
5.0
Group
Solid
Phase
Discovered By
Andrés Manuel del Río
1801
Year
50.942
u
Atomic Mass
24.890
kJ/mol
Molar Heat
179.00
Atomic Radius
5.0
Group
g/cm3
6.000
Density
4.0
Period
3680.000
°K
Boil
2183.000
°K
Melt
view_pus [#816]
Created with Sketch.
Cr
24
Chromium
el.name
Electron Panel Modal created by GPPT Lab
24
Atom Number
Cr
Symbol
Chromium
Name
Transition metal
Category
6.0
Group
Solid
Phase
Discovered By
Louis Nicolas Vauquelin
1797
Year
51.996
u
Atomic Mass
23.350
kJ/mol
Molar Heat
189.00
Atomic Radius
6.0
Group
g/cm3
7.190
Density
4.0
Period
2944.000
°K
Boil
2180.000
°K
Melt
view_pus [#816]
Created with Sketch.
Mn
25
Manganese
el.name
Electron Panel Modal created by GPPT Lab
25
Atom Number
Mn
Symbol
Manganese
Name
Transition metal
Category
7.0
Group
Solid
Phase
Discovered By
Torbern Olof Bergman
1774
Year
54.938
u
Atomic Mass
26.320
kJ/mol
Molar Heat
197.00
Atomic Radius
7.0
Group
g/cm3
7.210
Density
4.0
Period
2334.000
°K
Boil
1519.000
°K
Melt
view_pus [#816]
Created with Sketch.
Fe
26
Iron
el.name
Electron Panel Modal created by GPPT Lab
26
Atom Number
Fe
Symbol
Iron
Name
Transition metal
Category
8.0
Group
Solid
Phase
Discovered By
5000 BC
0
Year
55.840
u
Atomic Mass
25.100
kJ/mol
Molar Heat
194.00
Atomic Radius
8.0
Group
g/cm3
7.874
Density
4.0
Period
3134.000
°K
Boil
1811.000
°K
Melt
view_pus [#816]
Created with Sketch.
Co
27
Cobalt
el.name
Electron Panel Modal created by GPPT Lab
27
Atom Number
Co
Symbol
Cobalt
Name
Transition metal
Category
9.0
Group
Solid
Phase
Discovered By
Georg Brandt
1735
Year
58.933
u
Atomic Mass
24.810
kJ/mol
Molar Heat
192.00
Atomic Radius
9.0
Group
g/cm3
8.900
Density
4.0
Period
3200.000
°K
Boil
1768.000
°K
Melt
view_pus [#816]
Created with Sketch.
Ni
28
Nickel
el.name
Electron Panel Modal created by GPPT Lab
28
Atom Number
Ni
Symbol
Nickel
Name
Transition metal
Category
10.0
Group
Solid
Phase
Discovered By
Axel Fredrik Cronstedt
1751
Year
58.693
u
Atomic Mass
26.070
kJ/mol
Molar Heat
163.00
Atomic Radius
10.0
Group
g/cm3
8.908
Density
4.0
Period
3003.000
°K
Boil
1728.000
°K
Melt
view_pus [#816]
Created with Sketch.
Cu
29
Copper
el.name
Electron Panel Modal created by GPPT Lab
29
Atom Number
Cu
Symbol
Copper
Name
Transition metal
Category
11.0
Group
Solid
Phase
Discovered By
Middle East
0
Year
63.550
u
Atomic Mass
24.440
kJ/mol
Molar Heat
140.00
Atomic Radius
11.0
Group
g/cm3
8.960
Density
4.0
Period
2835.000
°K
Boil
1357.770
°K
Melt
view_pus [#816]
Created with Sketch.
Zn
30
Zinc
el.name
Electron Panel Modal created by GPPT Lab
30
Atom Number
Zn
Symbol
Zinc
Name
Transition metal
Category
12.0
Group
Solid
Phase
Discovered By
India
1746
Year
65.400
u
Atomic Mass
25.470
kJ/mol
Molar Heat
139.00
Atomic Radius
12.0
Group
g/cm3
7.140
Density
4.0
Period
1180.000
°K
Boil
692.680
°K
Melt
view_pus [#816]
Created with Sketch.
Ga
31
Gallium
el.name
Electron Panel Modal created by GPPT Lab
31
Atom Number
Ga
Symbol
Gallium
Name
Post-transition metal
Category
13.0
Group
Solid
Phase
Discovered By
Lecoq de Boisbaudran
1875
Year
69.723
u
Atomic Mass
25.860
kJ/mol
Molar Heat
187.00
Atomic Radius
13.0
Group
g/cm3
5.910
Density
4.0
Period
2673.000
°K
Boil
302.915
°K
Melt
view_pus [#816]
Created with Sketch.
Ge
5.0E-4
32
Germanium
el.name
Electron Panel Modal created by GPPT Lab
32
Atom Number
Ge
Symbol
Germanium
Name
Metalloid
Category
14.0
Group
Solid
Phase
Discovered By
Clemens Winkler
1886
Year
72.630
u
Atomic Mass
23.222
kJ/mol
Molar Heat
211.00
Atomic Radius
14.0
Group
g/cm3
5.323
Density
4.0
Period
3106.000
°K
Boil
1211.400
°K
Melt
view_pus [#816]
Created with Sketch.
As
33
Arsenic
el.name
Electron Panel Modal created by GPPT Lab
33
Atom Number
As
Symbol
Arsenic
Name
Metalloid
Category
15.0
Group
Solid
Phase
Discovered By
Bronze Age
1500
Year
74.922
u
Atomic Mass
24.640
kJ/mol
Molar Heat
185.00
Atomic Radius
15.0
Group
g/cm3
5.727
Density
4.0
Period
0.000
°K
Boil
1.000
°K
Melt
view_pus [#816]
Created with Sketch.
Se
34
Selenium
el.name
Electron Panel Modal created by GPPT Lab
34
Atom Number
Se
Symbol
Selenium
Name
Nonmetal
Category
16.0
Group
Solid
Phase
Discovered By
Jöns Jakob Berzelius
1817
Year
78.970
u
Atomic Mass
25.363
kJ/mol
Molar Heat
190.00
Atomic Radius
16.0
Group
g/cm3
4.810
Density
4.0
Period
958.000
°K
Boil
494.000
°K
Melt
view_pus [#816]
Created with Sketch.
Br
1.0E+10
35
Bromine
el.name
Electron Panel Modal created by GPPT Lab
35
Atom Number
Br
Symbol
Bromine
Name
Halogen
Category
17.0
Group
Liquid
Phase
Discovered By
Antoine Jérôme Balard
1826
Year
79.900
u
Atomic Mass
0.000
kJ/mol
Molar Heat
183.00
Atomic Radius
17.0
Group
g/cm3
3.103
Density
4.0
Period
332.000
°K
Boil
265.800
°K
Melt
view_pus [#816]
Created with Sketch.
Kr
36
Krypton
el.name
Electron Panel Modal created by GPPT Lab
36
Atom Number
Kr
Symbol
Krypton
Name
Noble gas
Category
18.0
Group
Gas
Phase
Discovered By
William Ramsay
1898
Year
83.800
u
Atomic Mass
0.000
kJ/mol
Molar Heat
202.00
Atomic Radius
18.0
Group
g/cm3
3.749
Density
4.0
Period
119.900
°K
Boil
115.780
°K
Melt
view_pus [#816]
Created with Sketch.
Rb
37
Rubidium
el.name
Electron Panel Modal created by GPPT Lab
37
Atom Number
Rb
Symbol
Rubidium
Name
Alkali metal
Category
1.0
Group
Solid
Phase
Discovered By
Robert Bunsen
1861
Year
85.468
u
Atomic Mass
31.060
kJ/mol
Molar Heat
303.00
Atomic Radius
1.0
Group
g/cm3
1.532
Density
5.0
Period
961.000
°K
Boil
312.450
°K
Melt
view_pus [#816]
Created with Sketch.
Sr
38
Strontium
el.name
Electron Panel Modal created by GPPT Lab
38
Atom Number
Sr
Symbol
Strontium
Name
Alkaline earth metal
Category
2.0
Group
Solid
Phase
Discovered By
William Cruickshank (chemist)
1790
Year
87.620
u
Atomic Mass
26.400
kJ/mol
Molar Heat
249.00
Atomic Radius
2.0
Group
g/cm3
2.640
Density
5.0
Period
1650.000
°K
Boil
1050.000
°K
Melt
view_pus [#816]
Created with Sketch.
Y
39
Yttrium
el.name
Electron Panel Modal created by GPPT Lab
39
Atom Number
Y
Symbol
Yttrium
Name
Transition metal
Category
3.0
Group
Solid
Phase
Discovered By
Johan Gadolin
1794
Year
88.906
u
Atomic Mass
26.530
kJ/mol
Molar Heat
219.00
Atomic Radius
3.0
Group
g/cm3
4.472
Density
5.0
Period
3203.000
°K
Boil
1799.000
°K
Melt
view_pus [#816]
Created with Sketch.
Zr
40
Zirconium
el.name
Electron Panel Modal created by GPPT Lab
40
Atom Number
Zr
Symbol
Zirconium
Name
Transition metal
Category
4.0
Group
Solid
Phase
Discovered By
Martin Heinrich Klaproth
1789
Year
91.220
u
Atomic Mass
25.360
kJ/mol
Molar Heat
186.00
Atomic Radius
4.0
Group
g/cm3
6.520
Density
5.0
Period
4650.000
°K
Boil
2128.000
°K
Melt
view_pus [#816]
Created with Sketch.
Nb
41
Niobium
el.name
Electron Panel Modal created by GPPT Lab
41
Atom Number
Nb
Symbol
Niobium
Name
Transition metal
Category
5.0
Group
Solid
Phase
Discovered By
Charles Hatchett
1801
Year
92.906
u
Atomic Mass
24.600
kJ/mol
Molar Heat
207.00
Atomic Radius
5.0
Group
g/cm3
8.570
Density
5.0
Period
5017.000
°K
Boil
2750.000
°K
Melt
view_pus [#816]
Created with Sketch.
Mo
42
Molybdenum
el.name
Electron Panel Modal created by GPPT Lab
42
Atom Number
Mo
Symbol
Molybdenum
Name
Transition metal
Category
6.0
Group
Solid
Phase
Discovered By
Carl Wilhelm Scheele
1778
Year
95.950
u
Atomic Mass
24.060
kJ/mol
Molar Heat
209.00
Atomic Radius
6.0
Group
g/cm3
10.280
Density
5.0
Period
4912.000
°K
Boil
2896.000
°K
Melt
view_pus [#816]
Created with Sketch.
Tc
43
Technetium
el.name
Electron Panel Modal created by GPPT Lab
43
Atom Number
Tc
Symbol
Technetium
Name
Transition metal
Category
7.0
Group
Solid
Phase
Discovered By
Emilio Segrè
1937
Year
96.906
u
Atomic Mass
24.270
kJ/mol
Molar Heat
209.00
Atomic Radius
7.0
Group
g/cm3
11.000
Density
5.0
Period
4538.000
°K
Boil
2430.000
°K
Melt
view_pus [#816]
Created with Sketch.
Ru
44
Ruthenium
el.name
Electron Panel Modal created by GPPT Lab
44
Atom Number
Ru
Symbol
Ruthenium
Name
Transition metal
Category
8.0
Group
Solid
Phase
Discovered By
Karl Ernst Claus
1827
Year
101.100
u
Atomic Mass
24.060
kJ/mol
Molar Heat
207.00
Atomic Radius
8.0
Group
g/cm3
12.450
Density
5.0
Period
4423.000
°K
Boil
2607.000
°K
Melt
view_pus [#816]
Created with Sketch.
Rh
45
Rhodium
el.name
Electron Panel Modal created by GPPT Lab
45
Atom Number
Rh
Symbol
Rhodium
Name
Transition metal
Category
9.0
Group
Solid
Phase
Discovered By
William Hyde Wollaston
1803
Year
102.906
u
Atomic Mass
24.980
kJ/mol
Molar Heat
195.00
Atomic Radius
9.0
Group
g/cm3
12.410
Density
5.0
Period
3968.000
°K
Boil
2237.000
°K
Melt
view_pus [#816]
Created with Sketch.
Pd
46
Palladium
el.name
Electron Panel Modal created by GPPT Lab
46
Atom Number
Pd
Symbol
Palladium
Name
Transition metal
Category
10.0
Group
Solid
Phase
Discovered By
William Hyde Wollaston
1803
Year
106.420
u
Atomic Mass
25.980
kJ/mol
Molar Heat
202.00
Atomic Radius
10.0
Group
g/cm3
12.023
Density
5.0
Period
3236.000
°K
Boil
1828.050
°K
Melt
view_pus [#816]
Created with Sketch.
Ag
47
Silver
el.name
Electron Panel Modal created by GPPT Lab
47
Atom Number
Ag
Symbol
Silver
Name
Transition metal
Category
11.0
Group
Solid
Phase
Discovered By
unknown, before 5000 BC
0
Year
107.868
u
Atomic Mass
25.350
kJ/mol
Molar Heat
172.00
Atomic Radius
11.0
Group
g/cm3
10.490
Density
5.0
Period
2435.000
°K
Boil
1234.930
°K
Melt
view_pus [#816]
Created with Sketch.
Cd
48
Cadmium
el.name
Electron Panel Modal created by GPPT Lab
48
Atom Number
Cd
Symbol
Cadmium
Name
Transition metal
Category
12.0
Group
Solid
Phase
Discovered By
Karl Samuel Leberecht Hermann
1817
Year
112.410
u
Atomic Mass
26.020
kJ/mol
Molar Heat
158.00
Atomic Radius
12.0
Group
g/cm3
8.650
Density
5.0
Period
1040.000
°K
Boil
594.220
°K
Melt
view_pus [#816]
Created with Sketch.
In
49
Indium
el.name
Electron Panel Modal created by GPPT Lab
49
Atom Number
In
Symbol
Indium
Name
Post-transition metal
Category
13.0
Group
Solid
Phase
Discovered By
Ferdinand Reich
1863
Year
114.818
u
Atomic Mass
26.740
kJ/mol
Molar Heat
193.00
Atomic Radius
13.0
Group
g/cm3
7.310
Density
5.0
Period
2345.000
°K
Boil
429.749
°K
Melt
view_pus [#816]
Created with Sketch.
Sn
50
Tin
el.name
Electron Panel Modal created by GPPT Lab
50
Atom Number
Sn
Symbol
Tin
Name
Post-transition metal
Category
14.0
Group
Solid
Phase
Discovered By
unknown, before 3500 BC
0
Year
118.710
u
Atomic Mass
27.112
kJ/mol
Molar Heat
217.00
Atomic Radius
14.0
Group
g/cm3
7.365
Density
5.0
Period
2875.000
°K
Boil
505.080
°K
Melt
view_pus [#816]
Created with Sketch.
Sb
51
Antimony
el.name
Electron Panel Modal created by GPPT Lab
51
Atom Number
Sb
Symbol
Antimony
Name
Metalloid
Category
15.0
Group
Solid
Phase
Discovered By
unknown, before 3000 BC
0
Year
121.760
u
Atomic Mass
25.230
kJ/mol
Molar Heat
206.00
Atomic Radius
15.0
Group
g/cm3
6.697
Density
5.0
Period
1908.000
°K
Boil
903.780
°K
Melt
view_pus [#816]
Created with Sketch.
Te
52
Tellurium
el.name
Electron Panel Modal created by GPPT Lab
52
Atom Number
Te
Symbol
Tellurium
Name
Metalloid
Category
16.0
Group
Solid
Phase
Discovered By
Franz-Joseph Müller von Reichenstein
1782
Year
127.600
u
Atomic Mass
25.730
kJ/mol
Molar Heat
206.00
Atomic Radius
16.0
Group
g/cm3
6.240
Density
5.0
Period
1261.000
°K
Boil
722.660
°K
Melt
view_pus [#816]
Created with Sketch.
I
1.0E+7
53
Iodine
el.name
Electron Panel Modal created by GPPT Lab
53
Atom Number
I
Symbol
Iodine
Name
Halogen
Category
17.0
Group
Solid
Phase
Discovered By
Bernard Courtois
1811
Year
126.905
u
Atomic Mass
0.000
kJ/mol
Molar Heat
198.00
Atomic Radius
17.0
Group
g/cm3
4.933
Density
5.0
Period
457.400
°K
Boil
386.850
°K
Melt
view_pus [#816]
Created with Sketch.
Xe
54
Xenon
el.name
Electron Panel Modal created by GPPT Lab
54
Atom Number
Xe
Symbol
Xenon
Name
Noble gas
Category
18.0
Group
Gas
Phase
Discovered By
William Ramsay
1898
Year
131.290
u
Atomic Mass
0.000
kJ/mol
Molar Heat
216.00
Atomic Radius
18.0
Group
g/cm3
5.894
Density
5.0
Period
165.100
°K
Boil
161.400
°K
Melt
view_pus [#816]
Created with Sketch.
Cs
55
Cesium
el.name
Electron Panel Modal created by GPPT Lab
55
Atom Number
Cs
Symbol
Cesium
Name
Alkali metal
Category
1.0
Group
Solid
Phase
Discovered By
Robert Bunsen
1860
Year
132.905
u
Atomic Mass
32.210
kJ/mol
Molar Heat
343.00
Atomic Radius
1.0
Group
g/cm3
1.930
Density
6.0
Period
944.000
°K
Boil
301.700
°K
Melt
view_pus [#816]
Created with Sketch.
Ba
56
Barium
el.name
Electron Panel Modal created by GPPT Lab
56
Atom Number
Ba
Symbol
Barium
Name
Alkaline earth metal
Category
2.0
Group
Solid
Phase
Discovered By
Carl Wilhelm Scheele
1808
Year
137.330
u
Atomic Mass
28.070
kJ/mol
Molar Heat
268.00
Atomic Radius
2.0
Group
g/cm3
3.510
Density
6.0
Period
2118.000
°K
Boil
1000.000
°K
Melt
view_pus [#816]
Created with Sketch.
La
57
Lanthanum
el.name
Electron Panel Modal created by GPPT Lab
57
Atom Number
La
Symbol
Lanthanum
Name
Lanthanide
Category
3.0
Group
Solid
Phase
Discovered By
Carl Gustaf Mosander
1839
Year
138.906
u
Atomic Mass
27.110
kJ/mol
Molar Heat
240.00
Atomic Radius
3.0
Group
g/cm3
6.162
Density
6.0
Period
3737.000
°K
Boil
1193.000
°K
Melt
view_pus [#816]
Created with Sketch.
Ce
58
Cerium
el.name
Electron Panel Modal created by GPPT Lab
58
Atom Number
Ce
Symbol
Cerium
Name
Lanthanide
Category
3.0
Group
Solid
Phase
Discovered By
Martin Heinrich Klaproth
1803
Year
140.116
u
Atomic Mass
26.940
kJ/mol
Molar Heat
235.00
Atomic Radius
3.0
Group
g/cm3
6.770
Density
6.0
Period
3716.000
°K
Boil
1068.000
°K
Melt
view_pus [#816]
Created with Sketch.
Pr
59
Praseodymium
el.name
Electron Panel Modal created by GPPT Lab
59
Atom Number
Pr
Symbol
Praseodymium
Name
Lanthanide
Category
3.0
Group
Solid
Phase
Discovered By
Carl Auer von Welsbach
1885
Year
140.908
u
Atomic Mass
27.200
kJ/mol
Molar Heat
239.00
Atomic Radius
3.0
Group
g/cm3
6.770
Density
6.0
Period
3403.000
°K
Boil
1208.000
°K
Melt
view_pus [#816]
Created with Sketch.
Nd
60
Neodymium
el.name
Electron Panel Modal created by GPPT Lab
60
Atom Number
Nd
Symbol
Neodymium
Name
Lanthanide
Category
3.0
Group
Solid
Phase
Discovered By
Carl Auer von Welsbach
1885
Year
144.240
u
Atomic Mass
27.450
kJ/mol
Molar Heat
229.00
Atomic Radius
3.0
Group
g/cm3
7.010
Density
6.0
Period
3347.000
°K
Boil
1297.000
°K
Melt
view_pus [#816]
Created with Sketch.
Pm
61
Promethium
el.name
Electron Panel Modal created by GPPT Lab
61
Atom Number
Pm
Symbol
Promethium
Name
Lanthanide
Category
3.0
Group
Solid
Phase
Discovered By
Chien Shiung Wu
1945
Year
144.913
u
Atomic Mass
0.000
kJ/mol
Molar Heat
236.00
Atomic Radius
3.0
Group
g/cm3
7.260
Density
6.0
Period
3273.000
°K
Boil
1315.000
°K
Melt
view_pus [#816]
Created with Sketch.
Sm
62
Samarium
el.name
Electron Panel Modal created by GPPT Lab
62
Atom Number
Sm
Symbol
Samarium
Name
Lanthanide
Category
3.0
Group
Solid
Phase
Discovered By
Lecoq de Boisbaudran
1879
Year
150.400
u
Atomic Mass
29.540
kJ/mol
Molar Heat
229.00
Atomic Radius
3.0
Group
g/cm3
7.520
Density
6.0
Period
2173.000
°K
Boil
1345.000
°K
Melt
view_pus [#816]
Created with Sketch.
Eu
63
Europium
el.name
Electron Panel Modal created by GPPT Lab
63
Atom Number
Eu
Symbol
Europium
Name
Lanthanide
Category
3.0
Group
Solid
Phase
Discovered By
Eugène-Anatole Demarçay
1901
Year
151.964
u
Atomic Mass
27.660
kJ/mol
Molar Heat
233.00
Atomic Radius
3.0
Group
g/cm3
5.264
Density
6.0
Period
1802.000
°K
Boil
1099.000
°K
Melt
view_pus [#816]
Created with Sketch.
Gd
64
Gadolinium
el.name
Electron Panel Modal created by GPPT Lab
64
Atom Number
Gd
Symbol
Gadolinium
Name
Lanthanide
Category
3.0
Group
Solid
Phase
Discovered By
Jean Charles Galissard de Marignac
1880
Year
157.200
u
Atomic Mass
37.030
kJ/mol
Molar Heat
237.00
Atomic Radius
3.0
Group
g/cm3
7.900
Density
6.0
Period
3273.000
°K
Boil
1585.000
°K
Melt
view_pus [#816]
Created with Sketch.
Tb
65
Terbium
el.name
Electron Panel Modal created by GPPT Lab
65
Atom Number
Tb
Symbol
Terbium
Name
Lanthanide
Category
3.0
Group
Solid
Phase
Discovered By
Carl Gustaf Mosander
1843
Year
158.925
u
Atomic Mass
28.910
kJ/mol
Molar Heat
221.00
Atomic Radius
3.0
Group
g/cm3
8.230
Density
6.0
Period
3396.000
°K
Boil
1629.000
°K
Melt
view_pus [#816]
Created with Sketch.
Dy
66
Dysprosium
el.name
Electron Panel Modal created by GPPT Lab
66
Atom Number
Dy
Symbol
Dysprosium
Name
Lanthanide
Category
3.0
Group
Solid
Phase
Discovered By
Lecoq de Boisbaudran
1886
Year
162.500
u
Atomic Mass
27.700
kJ/mol
Molar Heat
229.00
Atomic Radius
3.0
Group
g/cm3
8.540
Density
6.0
Period
2840.000
°K
Boil
1680.000
°K
Melt
view_pus [#816]
Created with Sketch.
Ho
67
Holmium
el.name
Electron Panel Modal created by GPPT Lab
67
Atom Number
Ho
Symbol
Holmium
Name
Lanthanide
Category
3.0
Group
Solid
Phase
Discovered By
Marc Delafontaine
1878
Year
164.930
u
Atomic Mass
27.150
kJ/mol
Molar Heat
216.00
Atomic Radius
3.0
Group
g/cm3
8.790
Density
6.0
Period
2873.000
°K
Boil
1734.000
°K
Melt
view_pus [#816]
Created with Sketch.
Er
68
Erbium
el.name
Electron Panel Modal created by GPPT Lab
68
Atom Number
Er
Symbol
Erbium
Name
Lanthanide
Category
3.0
Group
Solid
Phase
Discovered By
Carl Gustaf Mosander
1843
Year
167.260
u
Atomic Mass
28.120
kJ/mol
Molar Heat
235.00
Atomic Radius
3.0
Group
g/cm3
9.066
Density
6.0
Period
3141.000
°K
Boil
1802.000
°K
Melt
view_pus [#816]
Created with Sketch.
Tm
69
Thulium
el.name
Electron Panel Modal created by GPPT Lab
69
Atom Number
Tm
Symbol
Thulium
Name
Lanthanide
Category
3.0
Group
Solid
Phase
Discovered By
Per Teodor Cleve
1879
Year
168.934
u
Atomic Mass
27.030
kJ/mol
Molar Heat
227.00
Atomic Radius
3.0
Group
g/cm3
9.320
Density
6.0
Period
2223.000
°K
Boil
1818.000
°K
Melt
view_pus [#816]
Created with Sketch.
Yb
70
Ytterbium
el.name
Electron Panel Modal created by GPPT Lab
70
Atom Number
Yb
Symbol
Ytterbium
Name
Lanthanide
Category
3.0
Group
Solid
Phase
Discovered By
Jean Charles Galissard de Marignac
1878
Year
173.050
u
Atomic Mass
26.740
kJ/mol
Molar Heat
242.00
Atomic Radius
3.0
Group
g/cm3
6.900
Density
6.0
Period
1469.000
°K
Boil
1097.000
°K
Melt
view_pus [#816]
Created with Sketch.
Lu
71
Lutetium
el.name
Electron Panel Modal created by GPPT Lab
71
Atom Number
Lu
Symbol
Lutetium
Name
Lanthanide
Category
3.0
Group
Solid
Phase
Discovered By
Georges Urbain
1907
Year
174.967
u
Atomic Mass
26.860
kJ/mol
Molar Heat
221.00
Atomic Radius
3.0
Group
g/cm3
9.841
Density
6.0
Period
3675.000
°K
Boil
1925.000
°K
Melt
view_pus [#816]
Created with Sketch.
Hf
72
Hafnium
el.name
Electron Panel Modal created by GPPT Lab
72
Atom Number
Hf
Symbol
Hafnium
Name
Transition metal
Category
4.0
Group
Solid
Phase
Discovered By
Dirk Coster
1923
Year
178.490
u
Atomic Mass
25.730
kJ/mol
Molar Heat
212.00
Atomic Radius
4.0
Group
g/cm3
13.310
Density
6.0
Period
4876.000
°K
Boil
2506.000
°K
Melt
view_pus [#816]
Created with Sketch.
Ta
73
Tantalum
el.name
Electron Panel Modal created by GPPT Lab
73
Atom Number
Ta
Symbol
Tantalum
Name
Transition metal
Category
5.0
Group
Solid
Phase
Discovered By
Anders Gustaf Ekeberg
1802
Year
180.948
u
Atomic Mass
25.360
kJ/mol
Molar Heat
217.00
Atomic Radius
5.0
Group
g/cm3
16.690
Density
6.0
Period
5731.000
°K
Boil
3290.000
°K
Melt
view_pus [#816]
Created with Sketch.
W
74
Tungsten
el.name
Electron Panel Modal created by GPPT Lab
74
Atom Number
W
Symbol
Tungsten
Name
Transition metal
Category
6.0
Group
Solid
Phase
Discovered By
Carl Wilhelm Scheele
1783
Year
183.840
u
Atomic Mass
24.270
kJ/mol
Molar Heat
210.00
Atomic Radius
6.0
Group
g/cm3
19.250
Density
6.0
Period
6203.000
°K
Boil
3695.000
°K
Melt
view_pus [#816]
Created with Sketch.
Re
75
Rhenium
el.name
Electron Panel Modal created by GPPT Lab
75
Atom Number
Re
Symbol
Rhenium
Name
Transition metal
Category
7.0
Group
Solid
Phase
Discovered By
Masataka Ogawa
1925
Year
186.207
u
Atomic Mass
25.480
kJ/mol
Molar Heat
217.00
Atomic Radius
7.0
Group
g/cm3
21.020
Density
6.0
Period
5869.000
°K
Boil
3459.000
°K
Melt
view_pus [#816]
Created with Sketch.
Os
76
Osmium
el.name
Electron Panel Modal created by GPPT Lab
76
Atom Number
Os
Symbol
Osmium
Name
Transition metal
Category
8.0
Group
Solid
Phase
Discovered By
Smithson Tennant
1803
Year
190.200
u
Atomic Mass
24.700
kJ/mol
Molar Heat
216.00
Atomic Radius
8.0
Group
g/cm3
22.590
Density
6.0
Period
5285.000
°K
Boil
3306.000
°K
Melt
view_pus [#816]
Created with Sketch.
Ir
77
Iridium
el.name
Electron Panel Modal created by GPPT Lab
77
Atom Number
Ir
Symbol
Iridium
Name
Transition metal
Category
9.0
Group
Solid
Phase
Discovered By
Smithson Tennant
1803
Year
192.220
u
Atomic Mass
25.100
kJ/mol
Molar Heat
202.00
Atomic Radius
9.0
Group
g/cm3
22.560
Density
6.0
Period
4403.000
°K
Boil
2719.000
°K
Melt
view_pus [#816]
Created with Sketch.
Pt
78
Platinum
el.name
Electron Panel Modal created by GPPT Lab
78
Atom Number
Pt
Symbol
Platinum
Name
Transition metal
Category
10.0
Group
Solid
Phase
Discovered By
Antonio de Ulloa
1735
Year
195.080
u
Atomic Mass
25.860
kJ/mol
Molar Heat
209.00
Atomic Radius
10.0
Group
g/cm3
21.450
Density
6.0
Period
4098.000
°K
Boil
2041.400
°K
Melt
view_pus [#816]
Created with Sketch.
Au
79
Gold
el.name
Electron Panel Modal created by GPPT Lab
79
Atom Number
Au
Symbol
Gold
Name
Transition metal
Category
11.0
Group
Solid
Phase
Discovered By
Middle East
0
Year
196.967
u
Atomic Mass
25.418
kJ/mol
Molar Heat
166.00
Atomic Radius
11.0
Group
g/cm3
19.300
Density
6.0
Period
3243.000
°K
Boil
1337.330
°K
Melt
view_pus [#816]
Created with Sketch.
Hg
80
Mercury
el.name
Electron Panel Modal created by GPPT Lab
80
Atom Number
Hg
Symbol
Mercury
Name
Transition metal
Category
12.0
Group
Liquid
Phase
Discovered By
unknown, before 2000 BCE
0
Year
200.590
u
Atomic Mass
27.983
kJ/mol
Molar Heat
209.00
Atomic Radius
12.0
Group
g/cm3
13.534
Density
6.0
Period
629.900
°K
Boil
234.321
°K
Melt
view_pus [#816]
Created with Sketch.
Tl
81
Thallium
el.name
Electron Panel Modal created by GPPT Lab
81
Atom Number
Tl
Symbol
Thallium
Name
Post-transition metal
Category
13.0
Group
Solid
Phase
Discovered By
William Crookes
1861
Year
204.383
u
Atomic Mass
26.320
kJ/mol
Molar Heat
196.00
Atomic Radius
13.0
Group
g/cm3
11.850
Density
6.0
Period
1746.000
°K
Boil
577.000
°K
Melt
view_pus [#816]
Created with Sketch.
Pb
82
Lead
el.name
Electron Panel Modal created by GPPT Lab
82
Atom Number
Pb
Symbol
Lead
Name
Post-transition metal
Category
14.0
Group
Solid
Phase
Discovered By
Middle East
0
Year
207.000
u
Atomic Mass
26.650
kJ/mol
Molar Heat
202.00
Atomic Radius
14.0
Group
g/cm3
11.340
Density
6.0
Period
2022.000
°K
Boil
600.610
°K
Melt
view_pus [#816]
Created with Sketch.
Bi
83
Bismuth
el.name
Electron Panel Modal created by GPPT Lab
83
Atom Number
Bi
Symbol
Bismuth
Name
Post-transition metal
Category
15.0
Group
Solid
Phase
Discovered By
Claude François Geoffroy
1753
Year
208.980
u
Atomic Mass
25.520
kJ/mol
Molar Heat
207.00
Atomic Radius
15.0
Group
g/cm3
9.780
Density
6.0
Period
1837.000
°K
Boil
544.700
°K
Melt
view_pus [#816]
Created with Sketch.
Po
84
Polonium
el.name
Electron Panel Modal created by GPPT Lab
84
Atom Number
Po
Symbol
Polonium
Name
Metalloid
Category
16.0
Group
Solid
Phase
Discovered By
Pierre Curie
1898
Year
208.982
u
Atomic Mass
26.400
kJ/mol
Molar Heat
197.00
Atomic Radius
16.0
Group
g/cm3
9.196
Density
6.0
Period
1235.000
°K
Boil
527.000
°K
Melt
view_pus [#816]
Created with Sketch.
At
85
Astatine
el.name
Electron Panel Modal created by GPPT Lab
85
Atom Number
At
Symbol
Astatine
Name
Halogen
Category
17.0
Group
Solid
Phase
Discovered By
Dale R. Corson
1940
Year
209.987
u
Atomic Mass
0.000
kJ/mol
Molar Heat
202.00
Atomic Radius
17.0
Group
g/cm3
6.350
Density
6.0
Period
610.000
°K
Boil
575.000
°K
Melt
view_pus [#816]
Created with Sketch.
Rn
86
Radon
el.name
Electron Panel Modal created by GPPT Lab
86
Atom Number
Rn
Symbol
Radon
Name
Noble gas
Category
18.0
Group
Gas
Phase
Discovered By
Friedrich Ernst Dorn
1900
Year
222.018
u
Atomic Mass
0.000
kJ/mol
Molar Heat
220.00
Atomic Radius
18.0
Group
g/cm3
9.730
Density
6.0
Period
211.500
°K
Boil
202.000
°K
Melt
view_pus [#816]
Created with Sketch.
Fr
87
Francium
el.name
Electron Panel Modal created by GPPT Lab
87
Atom Number
Fr
Symbol
Francium
Name
Alkali metal
Category
1.0
Group
Solid
Phase
Discovered By
Marguerite Perey
1939
Year
223.020
u
Atomic Mass
0.000
kJ/mol
Molar Heat
348.00
Atomic Radius
1.0
Group
g/cm3
1.870
Density
7.0
Period
950.000
°K
Boil
300.000
°K
Melt
view_pus [#816]
Created with Sketch.
Ra
88
Radium
el.name
Electron Panel Modal created by GPPT Lab
88
Atom Number
Ra
Symbol
Radium
Name
Alkaline earth metal
Category
2.0
Group
Solid
Phase
Discovered By
Pierre Curie
1898
Year
226.025
u
Atomic Mass
0.000
kJ/mol
Molar Heat
283.00
Atomic Radius
2.0
Group
g/cm3
5.500
Density
7.0
Period
2010.000
°K
Boil
1233.000
°K
Melt
view_pus [#816]
Created with Sketch.
Ac
89
Actinium
el.name
Electron Panel Modal created by GPPT Lab
89
Atom Number
Ac
Symbol
Actinium
Name
Actinide
Category
3.0
Group
Solid
Phase
Discovered By
Friedrich Oskar Giesel
1899
Year
227.028
u
Atomic Mass
27.200
kJ/mol
Molar Heat
260.00
Atomic Radius
3.0
Group
g/cm3
10.000
Density
7.0
Period
3500.000
°K
Boil
1500.000
°K
Melt
view_pus [#816]
Created with Sketch.
Th
90
Thorium
el.name
Electron Panel Modal created by GPPT Lab
90
Atom Number
Th
Symbol
Thorium
Name
Actinide
Category
3.0
Group
Solid
Phase
Discovered By
Jöns Jakob Berzelius
1828
Year
232.038
u
Atomic Mass
26.230
kJ/mol
Molar Heat
237.00
Atomic Radius
3.0
Group
g/cm3
11.724
Density
7.0
Period
5061.000
°K
Boil
2023.000
°K
Melt
view_pus [#816]
Created with Sketch.
Pa
91
Protactinium
el.name
Electron Panel Modal created by GPPT Lab
91
Atom Number
Pa
Symbol
Protactinium
Name
Actinide
Category
3.0
Group
Solid
Phase
Discovered By
William Crookes
1913
Year
231.036
u
Atomic Mass
0.000
kJ/mol
Molar Heat
243.00
Atomic Radius
3.0
Group
g/cm3
15.370
Density
7.0
Period
4300.000
°K
Boil
1841.000
°K
Melt
view_pus [#816]
Created with Sketch.
U
92
Uranium
el.name
Electron Panel Modal created by GPPT Lab
92
Atom Number
U
Symbol
Uranium
Name
Actinide
Category
3.0
Group
Solid
Phase
Discovered By
Martin Heinrich Klaproth
1789
Year
238.029
u
Atomic Mass
27.665
kJ/mol
Molar Heat
240.00
Atomic Radius
3.0
Group
g/cm3
19.100
Density
7.0
Period
4404.000
°K
Boil
1405.300
°K
Melt
view_pus [#816]
Created with Sketch.
Np
93
Neptunium
el.name
Electron Panel Modal created by GPPT Lab
93
Atom Number
Np
Symbol
Neptunium
Name
Actinide
Category
3.0
Group
Solid
Phase
Discovered By
Edwin McMillan
1940
Year
237.048
u
Atomic Mass
29.460
kJ/mol
Molar Heat
221.00
Atomic Radius
3.0
Group
g/cm3
20.450
Density
7.0
Period
4447.000
°K
Boil
912.000
°K
Melt
view_pus [#816]
Created with Sketch.
Pu
94
Plutonium
el.name
Electron Panel Modal created by GPPT Lab
94
Atom Number
Pu
Symbol
Plutonium
Name
Actinide
Category
3.0
Group
Solid
Phase
Discovered By
Glenn T. Seaborg
1940
Year
244.064
u
Atomic Mass
35.500
kJ/mol
Molar Heat
243.00
Atomic Radius
3.0
Group
g/cm3
19.816
Density
7.0
Period
3505.000
°K
Boil
912.500
°K
Melt
view_pus [#816]
Created with Sketch.
Am
95
Americium
el.name
Electron Panel Modal created by GPPT Lab
95
Atom Number
Am
Symbol
Americium
Name
Actinide
Category
3.0
Group
Solid
Phase
Discovered By
Glenn T. Seaborg
1944
Year
243.061
u
Atomic Mass
62.700
kJ/mol
Molar Heat
244.00
Atomic Radius
3.0
Group
g/cm3
12.000
Density
7.0
Period
2880.000
°K
Boil
1449.000
°K
Melt
view_pus [#816]
Created with Sketch.
Cm
96
Curium
el.name
Electron Panel Modal created by GPPT Lab
96
Atom Number
Cm
Symbol
Curium
Name
Actinide
Category
3.0
Group
Solid
Phase
Discovered By
Glenn T. Seaborg
1944
Year
247.070
u
Atomic Mass
0.000
kJ/mol
Molar Heat
245.00
Atomic Radius
3.0
Group
g/cm3
13.510
Density
7.0
Period
3383.000
°K
Boil
1613.000
°K
Melt
view_pus [#816]
Created with Sketch.
Bk
97
Berkelium
el.name
Electron Panel Modal created by GPPT Lab
97
Atom Number
Bk
Symbol
Berkelium
Name
Actinide
Category
3.0
Group
Solid
Phase
Discovered By
Lawrence Berkeley National Laboratory
1949
Year
247.070
u
Atomic Mass
0.000
kJ/mol
Molar Heat
244.00
Atomic Radius
3.0
Group
g/cm3
14.780
Density
7.0
Period
2900.000
°K
Boil
1259.000
°K
Melt
view_pus [#816]
Created with Sketch.
Cf
98
Californium
el.name
Electron Panel Modal created by GPPT Lab
98
Atom Number
Cf
Symbol
Californium
Name
Actinide
Category
3.0
Group
Solid
Phase
Discovered By
Lawrence Berkeley National Laboratory
1950
Year
251.080
u
Atomic Mass
0.000
kJ/mol
Molar Heat
245.00
Atomic Radius
3.0
Group
g/cm3
15.100
Density
7.0
Period
1743.000
°K
Boil
1173.000
°K
Melt
view_pus [#816]
Created with Sketch.
Es
99
Einsteinium
el.name
Electron Panel Modal created by GPPT Lab
99
Atom Number
Es
Symbol
Einsteinium
Name
Actinide
Category
3.0
Group
Solid
Phase
Discovered By
Lawrence Berkeley National Laboratory
1952
Year
252.083
u
Atomic Mass
0.000
kJ/mol
Molar Heat
245.00
Atomic Radius
3.0
Group
g/cm3
8.840
Density
7.0
Period
1269.000
°K
Boil
1133.000
°K
Melt
view_pus [#816]
Created with Sketch.
Fm
100
Fermium
el.name
Electron Panel Modal created by GPPT Lab
100
Atom Number
Fm
Symbol
Fermium
Name
Actinide
Category
3.0
Group
Solid
Phase
Discovered By
Lawrence Berkeley National Laboratory
1952
Year
257.095
u
Atomic Mass
0.000
kJ/mol
Molar Heat
0.00
Atomic Radius
3.0
Group
g/cm3
-0.001
Density
7.0
Period
0.000
°K
Boil
1800.000
°K
Melt
view_pus [#816]
Created with Sketch.
Md
101
Mendelevium
el.name
Electron Panel Modal created by GPPT Lab
101
Atom Number
Md
Symbol
Mendelevium
Name
Actinide
Category
3.0
Group
Solid
Phase
Discovered By
Lawrence Berkeley National Laboratory
1955
Year
258.098
u
Atomic Mass
0.000
kJ/mol
Molar Heat
0.00
Atomic Radius
3.0
Group
g/cm3
-0.001
Density
7.0
Period
0.000
°K
Boil
1100.000
°K
Melt
view_pus [#816]
Created with Sketch.
No
102
Nobelium
el.name
Electron Panel Modal created by GPPT Lab
102
Atom Number
No
Symbol
Nobelium
Name
Actinide
Category
3.0
Group
Solid
Phase
Discovered By
Joint Institute for Nuclear Research
1957
Year
259.101
u
Atomic Mass
0.000
kJ/mol
Molar Heat
0.00
Atomic Radius
3.0
Group
g/cm3
-0.001
Density
7.0
Period
0.000
°K
Boil
1100.000
°K
Melt
view_pus [#816]
Created with Sketch.
Lr
103
Lawrencium
el.name
Electron Panel Modal created by GPPT Lab
103
Atom Number
Lr
Symbol
Lawrencium
Name
Actinide
Category
3.0
Group
Solid
Phase
Discovered By
Lawrence Berkeley National Laboratory
1961
Year
266.120
u
Atomic Mass
0.000
kJ/mol
Molar Heat
0.00
Atomic Radius
3.0
Group
g/cm3
-0.001
Density
7.0
Period
0.000
°K
Boil
1900.000
°K
Melt
view_pus [#816]
Created with Sketch.
Rf
104
Rutherfordium
el.name
Electron Panel Modal created by GPPT Lab
104
Atom Number
Rf
Symbol
Rutherfordium
Name
Transition metal
Category
4.0
Group
Solid
Phase
Discovered By
Joint Institute for Nuclear Research
1964
Year
267.122
u
Atomic Mass
0.000
kJ/mol
Molar Heat
0.00
Atomic Radius
4.0
Group
g/cm3
23.200
Density
7.0
Period
0.000
°K
Boil
2400.000
°K
Melt
view_pus [#816]
Created with Sketch.
Db
105
Dubnium
el.name
Electron Panel Modal created by GPPT Lab
105
Atom Number
Db
Symbol
Dubnium
Name
Transition metal
Category
5.0
Group
Solid
Phase
Discovered By
Joint Institute for Nuclear Research
1967
Year
268.126
u
Atomic Mass
0.000
kJ/mol
Molar Heat
0.00
Atomic Radius
5.0
Group
g/cm3
29.300
Density
7.0
Period
0.000
°K
Boil
-0.001
°K
Melt
view_pus [#816]
Created with Sketch.
Sg
106
Seaborgium
el.name
Electron Panel Modal created by GPPT Lab
106
Atom Number
Sg
Symbol
Seaborgium
Name
Transition metal
Category
6.0
Group
Solid
Phase
Discovered By
Lawrence Berkeley National Laboratory
1974
Year
269.128
u
Atomic Mass
0.000
kJ/mol
Molar Heat
0.00
Atomic Radius
6.0
Group
g/cm3
35.000
Density
7.0
Period
0.000
°K
Boil
-0.001
°K
Melt
view_pus [#816]
Created with Sketch.
Bh
107
Bohrium
el.name
Electron Panel Modal created by GPPT Lab
107
Atom Number
Bh
Symbol
Bohrium
Name
Transition metal
Category
7.0
Group
Solid
Phase
Discovered By
Gesellschaft für Schwerionenforschung
1976
Year
270.133
u
Atomic Mass
0.000
kJ/mol
Molar Heat
0.00
Atomic Radius
7.0
Group
g/cm3
37.100
Density
7.0
Period
0.000
°K
Boil
-0.001
°K
Melt
view_pus [#816]
Created with Sketch.
Hs
108
Hassium
el.name
Electron Panel Modal created by GPPT Lab
108
Atom Number
Hs
Symbol
Hassium
Name
Transition metal
Category
8.0
Group
Solid
Phase
Discovered By
Gesellschaft für Schwerionenforschung
1984
Year
269.134
u
Atomic Mass
0.000
kJ/mol
Molar Heat
0.00
Atomic Radius
8.0
Group
g/cm3
40.700
Density
7.0
Period
0.000
°K
Boil
126.000
°K
Melt
view_pus [#816]
Created with Sketch.
Mt
109
Meitnerium
el.name
Electron Panel Modal created by GPPT Lab
109
Atom Number
Mt
Symbol
Meitnerium
Name
Transition metal
Category
9.0
Group
Solid
Phase
Discovered By
Gesellschaft für Schwerionenforschung
1982
Year
277.154
u
Atomic Mass
0.000
kJ/mol
Molar Heat
0.00
Atomic Radius
9.0
Group
g/cm3
37.400
Density
7.0
Period
0.000
°K
Boil
-0.001
°K
Melt
view_pus [#816]
Created with Sketch.
Ds
110
Darmstadtium
el.name
Electron Panel Modal created by GPPT Lab
110
Atom Number
Ds
Symbol
Darmstadtium
Name
Transition metal
Category
10.0
Group
Solid
Phase
Discovered By
Gesellschaft für Schwerionenforschung
1994
Year
282.166
u
Atomic Mass
0.000
kJ/mol
Molar Heat
0.00
Atomic Radius
10.0
Group
g/cm3
34.800
Density
7.0
Period
0.000
°K
Boil
-0.001
°K
Melt
view_pus [#816]
Created with Sketch.
Rg
111
Roentgenium
el.name
Electron Panel Modal created by GPPT Lab
111
Atom Number
Rg
Symbol
Roentgenium
Name
Transition metal
Category
11.0
Group
Solid
Phase
Discovered By
Gesellschaft für Schwerionenforschung
1994
Year
282.169
u
Atomic Mass
0.000
kJ/mol
Molar Heat
0.00
Atomic Radius
11.0
Group
g/cm3
28.700
Density
7.0
Period
0.000
°K
Boil
-0.001
°K
Melt
view_pus [#816]
Created with Sketch.
Cn
112
Copernicium
el.name
Electron Panel Modal created by GPPT Lab
112
Atom Number
Cn
Symbol
Copernicium
Name
Transition metal
Category
12.0
Group
Liquid
Phase
Discovered By
Gesellschaft für Schwerionenforschung
1996
Year
286.179
u
Atomic Mass
0.000
kJ/mol
Molar Heat
0.00
Atomic Radius
12.0
Group
g/cm3
14.000
Density
7.0
Period
3570.000
°K
Boil
-0.001
°K
Melt
view_pus [#816]
Created with Sketch.
Nh
113
Nihonium
el.name
Electron Panel Modal created by GPPT Lab
113
Atom Number
Nh
Symbol
Nihonium
Name
Post-transition metal
Category
13.0
Group
Solid
Phase
Discovered By
RIKEN
2004
Year
286.182
u
Atomic Mass
0.000
kJ/mol
Molar Heat
0.00
Atomic Radius
13.0
Group
g/cm3
16.000
Density
7.0
Period
1430.000
°K
Boil
700.000
°K
Melt
view_pus [#816]
Created with Sketch.
Fl
114
Flerovium
el.name
Electron Panel Modal created by GPPT Lab
114
Atom Number
Fl
Symbol
Flerovium
Name
Post-transition metal
Category
14.0
Group
Solid
Phase
Discovered By
Joint Institute for Nuclear Research
1998
Year
290.192
u
Atomic Mass
0.000
kJ/mol
Molar Heat
0.00
Atomic Radius
14.0
Group
g/cm3
14.000
Density
7.0
Period
420.000
°K
Boil
340.000
°K
Melt
view_pus [#816]
Created with Sketch.
Mc
115
Moscovium
el.name
Electron Panel Modal created by GPPT Lab
115
Atom Number
Mc
Symbol
Moscovium
Name
Post-transition metal
Category
15.0
Group
Solid
Phase
Discovered By
Joint Institute for Nuclear Research
2003
Year
290.196
u
Atomic Mass
0.000
kJ/mol
Molar Heat
0.00
Atomic Radius
15.0
Group
g/cm3
13.500
Density
7.0
Period
1400.000
°K
Boil
670.000
°K
Melt
view_pus [#816]
Created with Sketch.
Lv
116
Livermorium
el.name
Electron Panel Modal created by GPPT Lab
116
Atom Number
Lv
Symbol
Livermorium
Name
Post-transition metal
Category
16.0
Group
Solid
Phase
Discovered By
Joint Institute for Nuclear Research
2000
Year
293.205
u
Atomic Mass
0.000
kJ/mol
Molar Heat
0.00
Atomic Radius
16.0
Group
g/cm3
12.900
Density
7.0
Period
1085.000
°K
Boil
709.000
°K
Melt
view_pus [#816]
Created with Sketch.
Ts
117
Tennessine
el.name
Electron Panel Modal created by GPPT Lab
117
Atom Number
Ts
Symbol
Tennessine
Name
Halogen
Category
17.0
Group
Solid
Phase
Discovered By
Joint Institute for Nuclear Research
2010
Year
294.211
u
Atomic Mass
0.000
kJ/mol
Molar Heat
0.00
Atomic Radius
17.0
Group
g/cm3
7.170
Density
7.0
Period
883.000
°K
Boil
723.000
°K
Melt
view_pus [#816]
Created with Sketch.
Og
118
Oganesson
el.name
Electron Panel Modal created by GPPT Lab
118
Atom Number
Og
Symbol
Oganesson
Name
Noble gas
Category
18.0
Group
Solid
Phase
Discovered By
Joint Institute for Nuclear Research
2006
Year
295.216
u
Atomic Mass
0.000
kJ/mol
Molar Heat
0.00
Atomic Radius
18.0
Group
g/cm3
4.950
Density
7.0
Period
350.000
°K
Boil
-0.001
°K
Melt
view_pus [#816]
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Uue
119
Ununennium
el.name
Electron Panel Modal created by GPPT Lab
119
Atom Number
Uue
Symbol
Ununennium
Name
Alkali metal
Category
1.0
Group
Solid
Phase
Discovered By
GSI Helmholtz Centre for Heavy Ion Research
2018
Year
315.000
u
Atomic Mass
0.000
kJ/mol
Molar Heat
0.00
Atomic Radius
1.0
Group
g/cm3
3.000
Density
8.0
Period
630.000
°K
Boil
-0.001
°K
Melt
view_pus [#816]
Created with Sketch.
