Berkelium

Source: http://www.tabulka.cz/english/elements/show.asp?id=97

name Berkelium
latin Berkelium
french Berkélium
german Berkelium
symbol Bk
proton number 97
atomic weight [247]
Pauling electronegativity 1.3
electronic configuration [Rn] 5f96d07s2
1s22s22p63s23p63d104s24p64d105s25p64f145d106s26p65f96d07s2
melting point 1259 K, 986°C, 1807°F
boiling point -
group -
period 7
state (by 20°C) solid
oxidation states +3, +4

Discoverer

Year of discovery Discoverers
1949 Glenn T. Seaborg (*1912)
Stanley G. Thompson
Albert Ghiorso


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