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 |
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| name |
Boron |
| latin |
Borum |
| french |
Bore |
| german |
Bor |
| symbol |
B |
| proton number |
5 |
| atomic weight |
10.811 |
| Pauling electronegativity |
2.04 |
| electronic configuration |
[He] 2s22p1
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| melting point |
2349 K, 2076°C, 3769°F |
| boiling point |
4200 K, 3927°C, 7100°F |
| group |
13 |
| period |
2 |
| state (by 20°C) |
solid |
| oxidation states |
+3 |
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discussion board
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Discoverer
| Year of discovery |
Discoverers |
| 1808 |
Sir Humphry Davy (1778-1829)
Joseph Louis Gay-Lussac (1778-1850)
Louis Jacques Thénard (1777-1857) |
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Czech version