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name |
Radium |
latin |
Radium |
french |
Radium |
german |
Radium |
symbol |
Ra |
proton number |
88 |
atomic weight |
226.0254 |
Pauling electronegativity |
0.9 |
electronic configuration |
[Rn] 7s2 >> show long |
melting point |
973 K, 700°C, 1292°F |
boiling point |
2010 K, 1737°C, 3158°F |
group |
2 |
period |
7 |
state (by 20°C) |
solid |
oxidation states |
+2 |
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 discussion board (5)
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Discoverer
Year of discovery |
Discoverers |
1898 |
Pierre Curie (1859-1906) Marie Curie-Sklodowská (1867-1934) |
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