 | Beryllium | Atomic Number: 4 |
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- Overview
Property Value Units 9.0122
1.848
- Thermal Properties
Thermal Properties
Property Value Units 1278°C
2970°C
The critical pressure has not been determined for Beryllium
The critical temperature has not been determined for Beryllium
7.95 kJ/mol
297 kJ/mol
1820 J/kg·K
190 W/m·K
- Electon Configuration
[He] 2s2
K L M N O P Q 2 2 0 0 0 0 0 Level S Orbital P Orbital D Orbital F Orbital Level 1 Level 2 - History
Year Discovered
1797
- Isotopes
Isotope Common Name Symbol Mass Status Abundance Half-life Decay mode Decay Energy Nuclear Spin Magnetic Moment 4
Be
5
Berylium Be 5 
0 - p 5.38 0.5 0 4
Be
6
Berylium Be 6 0 0.000000000005 n 2p 1.37209 0 0 4
Be
7
Berylium Be 7 0 53.218 d E 0.861893 1.5 0 4
Be
8
Berylium Be 8 0 .000000067 ns A 0.09184 0 0 4
Be
9
Berylium Be 9 Stable 100 - - - 1.5 -1.1778 4
Be
10
Berylium Be 10 0 1.513 y B- 0.555939 0 0 4
Be
11
Berylium Be 11 0 13.81 s B- 11.50613 0.5 0 4
Be
12
Berylium Be 12 0 21.5 ms B- 11.7076 0 0 4
Be
13
Berylium Be 13 0 .5 ns n 0.1 0.5 0 4
Be
14
Berylium Be 14 0 4.35 ms B-n 15.321 0 0 4
Be
15
Berylium Be 15 0 200 ns n 1.772 - - 4
Be
16
Berylium Be 16 0 200 ns 2n 1.581 0 0 Isotopic mass data for stable isotopes is from:
G. Audi, A.H. Wapstra in Nuclear Physics A, 1993, 565, 1-65
and
G. Audi, A.H.Wapstra in Nuclear Physics A, 1995, 595 409-480.Natural abundance data is from:
K.J.R. Rosman, P.D.P. Taylor in Pure Appplied Chemistry, 1999, 71, 1593-1607.- Occurance
In the Universe 0.0000001% In the Sun 0.00000001% In Meteorites 0.0000029% In the Earth's Crust 0.00019% In Seawater 6E-11% In the Human Body 0.00000004% - Models
Pictures, videos and 3D models of the element
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