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name |
Thorium |
latin |
Thorium |
french |
Thorium |
german |
Thorium |
symbol |
Th |
proton number |
90 |
atomic weight |
232.0381 |
Pauling electronegativity |
1.3 |
electronic configuration |
[Rn] 5f06d27s2 >> show long |
melting point |
2115 K, 1842°C, 3347°F |
boiling point |
5093 K, 4820°C, 8708°F |
group |
- |
period |
7 |
state (by 20°C) |
solid |
oxidation states |
+4 |
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 discussion board (3)
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Discoverer
Year of discovery |
Discoverer |
1828 |
Jons J. Berzelius (1779-1848) |
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