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|
 |
| |
| name |
Oxygen |
| latin |
Oxygenium |
| french |
Oxygéne |
| german |
Sauerstoff |
| symbol |
O |
| proton number |
8 |
| atomic weight |
15.9994 |
| Pauling electronegativity |
3.44 |
| electronic configuration |
[He] 2s22p4
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| melting point |
54.8 K, -218.35°C, -361.03°F |
| boiling point |
90.2 K, -182.95°C, -297.31°F |
| group |
16 |
| period |
2 |
| state (by 20°C) |
gas |
| oxidation states |
-2 |
|
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|
Discoverer
| Year of discovery |
Discoverer |
| 1774 |
Joseph Priestley (1733-1804) |
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Czech version