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name |
Thallium |
latin |
Thallium |
french |
Thallium |
german |
Thallium |
symbol |
Tl |
proton number |
81 |
atomic weight |
204.3833 |
Pauling electronegativity |
1.62 |
electronic configuration |
[Xe] 4f145d106s26p1 >> show long |
melting point |
577 K, 304°C, 579°F |
boiling point |
1746 K, 1473°C, 2683°F |
group |
13 |
period |
6 |
state (by 20°C) |
solid |
oxidation states |
+1, +3 |
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 discussion board (3)
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Discoverer
Year of discovery |
Discoverer |
1861 |
Sir William Crookes (1832-1919) |
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