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Dubnium

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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)

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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