Tellurium

Source: http://www.tabulka.cz/english/elements/show.asp?id=52

name Tellurium
latin Tellurium
french Tellure
german Tellur
symbol Te
proton number 52
atomic weight 127.6
Pauling electronegativity 2.1
electronic configuration [Kr] 4d105s25p4
1s22s22p63s23p63d104s24p64d105s25p4
melting point 722.66 K, 449.51°C, 841.12°F
boiling point 1261 K, 988°C, 1810°F
group 16
period 5
state (by 20°C) solid
oxidation states -2, +4, +6

Discoverer

Year of discovery Discoverer
1782 Franz J. Müller von Reichenstein


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