Tantalum

Source: http://www.tabulka.cz/english/elements/show.asp?id=73

name Tantalum
latin Tantalum
french Tantale
german Tantal
symbol Ta
proton number 73
atomic weight 180.9479
Pauling electronegativity 1.5
electronic configuration [Xe] 4f145d36s2
1s22s22p63s23p63d104s24p64d105s25p64f145d36s2
melting point 3290 K, 3017°C, 5462°F
boiling point 5731 K, 5458°C, 9856°F
group 5
period 6
state (by 20°C) solid
oxidation states +5

Discoverer

Year of discovery Discoverer
1802 Gustav Ekeberg


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