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| name |
Einsteinium |
| latin |
Einsteinium |
| french |
Einsteinium |
| german |
Einsteinium |
| symbol |
Es |
| proton number |
99 |
| atomic weight |
[252] |
| Pauling electronegativity |
1.3 |
| electronic configuration |
[Rn] 5f116d07s2
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| melting point |
1133 K, 860°C, 1580°F |
| boiling point |
- |
| group |
- |
| period |
7 |
| state (by 20°C) |
solid |
| oxidation states |
+3 |
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discussion board
(2)
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Discoverer
| Year of discovery |
Discoverer |
| 1952 |
Albert Ghiorso and his coworkers at Berkeley |
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Czech version