 | Boron | Atomic Number: 5 |
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- Overview
Property Value Units 10.811
2.46
- Thermal Properties
Thermal Properties
Property Value Units 2300°C
2550°C
The critical pressure has not been determined for Boron
The critical temperature has not been determined for Boron
50 kJ/mol
507 kJ/mol
1030 J/kg·K
27 W/m·K
- Electon Configuration
[He] 2s2 2p1
K L M N O P Q 2 3 0 0 0 0 0 Level S Orbital P Orbital D Orbital F Orbital Level 1 Level 2 - History
Year Discovered
1808
- Isotopes
Isotope Common Name Symbol Mass Status Abundance Half-life Decay mode Decay Energy Nuclear Spin Magnetic Moment 5
B
6
Boron B 6 
0 - 2p 3.702 2 0 5
B
7
Boron B 7 0 .00000000000035 p 2.204 1.5 0 5
B
8
Boron B 8 0 770 ms B+A - 2 1.0355 5
B
9
Boron B 9 0 8E-10 p 0.18504 1.5 0 5
B
10
Boron B 10 Stable 19.9 - - - - - 5
B
11
Boron B 11 Stable 80.1 - - - - - 5
B
12
Boron B 12 0 20.2 ms B- 13.3689 1 1.00306 5
B
13
Boron B 13 0 17.33 ms B- 13.43716 1.5 3.1778 5
B
14
Boron B 14 0 12.5 ms B- 20.6438 2 - 5
B
15
Boron B 15 0 9.87 ms B-n 17.8811 1.5 - 5
B
16
Boron B 16 0 .19 ns n 0.0381 0 0 5
B
17
Boron B 17 0 5.08 ms B-n 22.005 1.5 0 5
B
18
Boron B 18 0 26 ns n 0.48 4 0 5
B
19
Boron B 19 0 2.92 ms B-n 26.367 1.5 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 0.0000002% In Meteorites 0.00016% In the Earth's Crust 0.00086% In Seawater 0.00044% In the Human Body 0.00007% - Models
Pictures, videos and 3D models of the element
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