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name |
Potassium |
latin |
Kalium |
french |
Potassium |
german |
Kalium |
symbol |
K |
proton number |
19 |
atomic weight |
39.0983 |
Pauling electronegativity |
0.82 |
electronic configuration |
[Ar] 4s1 >> show long |
melting point |
336.53 K, 63.38°C, 146.08°F |
boiling point |
1032 K, 759°C, 1398°F |
group |
1 |
period |
4 |
state (by 20°C) |
solid |
oxidation states |
+1 |
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 discussion board (50)
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Discoverer
Year of discovery |
Discoverer |
1807 |
Sir Humphry Davy (1778-1829) |
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