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| name |
Praseodymium |
| latin |
Praseodymium |
| french |
Praséodyme |
| german |
Praseodym |
| symbol |
Pr |
| proton number |
59 |
| atomic weight |
140.90765 |
| Pauling electronegativity |
1.13 |
| electronic configuration |
[Xe] 4f35d06s2
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| melting point |
1208 K, 935°C, 1715°F |
| boiling point |
3563 K, 3290°C, 5954°F |
| group |
- |
| period |
6 |
| state (by 20°C) |
solid |
| oxidation states |
+3, +4 |
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discussion board
(2)
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Discoverer
| Year of discovery |
Discoverer |
| 1885 |
baron Carl A. von Welsbach (1858-1929) |
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Czech version