Te

TELLURIUM

Definition from 'tellus' earth, it occurs in pure stateand found in combination of gold, silver, copper, lead, and nickel.

Discovery 1782 by franz joseph muller von reichenstein of germany.

Uses vulcanization of rubber, ceramics

Group of Elements metalloids(Solid)

Atomic Weight 127.60

Oxidation State +2,+4,6

Melting Point 449.5

Boiling Point 989.8

Density 6.24 g/cm3

Electronegativity 2.1