Mendelevium

Source: http://www.tabulka.cz/english/elements/show.asp?id=101

name Mendelevium
latin Mendelevium
french Mendélévium
german Mendelevium
symbol Md
proton number 101
atomic weight [258]
Pauling electronegativity 1.3
electronic configuration [Rn] 5f136d07s2
1s22s22p63s23p63d104s24p64d105s25p64f145d106s26p65f136d07s2
melting point 1100 K, 827°C, 1520°F
boiling point -
group -
period 7
state (by 20°C) solid
oxidation states +3

Discoverer

Year of discovery Discoverers
1955 Albert Ghiorso
Bernard G. Harvey
Gregory R. Choppin
Stanley G. Thompson
Glenn T. Seaborg (*1912)


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