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name |
Technetium |
latin |
Technetium |
french |
Technétium |
german |
Technetium |
symbol |
Tc |
proton number |
43 |
atomic weight |
[98] |
Pauling electronegativity |
1.9 |
electronic configuration |
[Kr] 4d55s2 >> show long |
melting point |
2430 K, 2157°C, 3914°F |
boiling point |
4538 K, 4265°C, 7709°F |
group |
7 |
period |
5 |
state (by 20°C) |
solid |
oxidation states |
+7 |
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 discussion board (4)
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Discoverer
Year of discovery |
Discoverers |
1937 |
Carlo Perrier Emilio G. Segre (1905-1989) |
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