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 |
| |
| name |
Iodine |
| latin |
Iodum |
| french |
Iode |
| german |
Iod |
| symbol |
I |
| proton number |
53 |
| atomic weight |
126.90447 |
| Pauling electronegativity |
2.66 |
| electronic configuration |
[Kr] 4d105s25p5
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| melting point |
386.85 K, 113.7°C, 236.66°F |
| boiling point |
457.4 K, 184.25°C, 363.65°F |
| group |
17 |
| period |
5 |
| state (by 20°C) |
solid |
| oxidation states |
-1, +1, +3, +5, +7 |
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|
Discoverer
| Year of discovery |
Discoverer |
| 1811 |
Bernard Courtois |
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Czech version