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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 >> show long |
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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