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TELLURIU.ASC
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1992-07-31
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637b
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18 lines
TELLURIUM
Atomic symbol - Te
Atomic weight - 127.60
Atomic number - 52
Electron configuration - 2-8-18-18-6
Oxidation states - +4, +6, -2
State of matter - solid
Non-metal
Discovered in 1782 by Franz Joseph Müller von Reichenstein
Boils at 989.9 °C, melts at 449.8 °C
Notes:
Tellurium is a semi-metallic element that resembles both physically and
chemically to selenium (34). Tellurium exists in two forms: a silvery-white,
brittle, crystalline solid that has a metallic lustre and a amorphous powder
that is dark grey to brown. It burns in air and oxygen with a blue-green
flame.