Germanium

Source: http://www.tabulka.cz/english/elements/show.asp?id=32

name Germanium
latin Germanium
french Germanium
german Germanium
symbol Ge
proton number 32
atomic weight 72.61
Pauling electronegativity 2.01
electronic configuration [Ar] 3d104s24p2
1s22s22p63s23p63d104s24p2
melting point 1211.4 K, 938.25°C, 1720.85°F
boiling point 3093 K, 2820°C, 5108°F
group 14
period 4
state (by 20°C) solid
oxidation states -4, +2, +4

Discoverer

Year of discovery Discoverer
1886 Clemens A. Winkler


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