Platinum

Source: http://www.tabulka.cz/english/elements/show.asp?id=78

name Platinum
latin Platinum
french Platine
german Platin
symbol Pt
proton number 78
atomic weight 195.078
Pauling electronegativity 2.28
electronic configuration [Xe] 4f145d96s1
1s22s22p63s23p63d104s24p64d105s25p64f145d96s1
melting point 2041.4 K, 1768.25°C, 3214.85°F
boiling point 4098 K, 3825°C, 6917°F
group 10
period 6
state (by 20°C) solid
oxidation states +2, +4

Discoverer

Year of discovery Discoverer
1735 Antonio de Ulloa


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