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| name |
Dubnium |
| latin |
Dubnium |
| french |
Dubnium |
| german |
Dubnium |
| symbol |
Db |
| proton number |
105 |
| atomic weight |
[262] |
| Pauling electronegativity |
- |
| electronic configuration |
[Rn] 5f146d37s2
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| melting point |
- |
| boiling point |
- |
| group |
5 |
| period |
7 |
| state (by 20°C) |
solid |
| oxidation states |
- |
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discussion board
(4)
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Discoverer
| Year of discovery |
Discoverers |
| 1967 |
workers at the Nuclear Institute (Dubna, Russia) |
| 1970 |
workers at the University of California (Berkeley, USA) |
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Czech version