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Atomic Number	52

Atomic Symbol	Te

Atomic Weight	127.60 amu

Group	Metalloid, 16

Form	Solid

Density @ STP	6.24 g/cm³

Melting Point	449.51 °C (841.118 °F, 722.66 °K)

Boiling Point	988 °C (1810.4 °F, 1261.15 °K)

Heat of Fusion	17.49 kJ/mol

Heat of Vaporization	114.1 kJ/mol

First Ionization Potential	9.0096 eV

Electronegativity (on Pauling scale	2.1

Specific Heat Capacity	0.202 J/g K

Ground State Electron Configuration	5p⁴

Oxidation State(s)	+4, +6, -2

Stable Isotopes and Natural Abundance on Earth	¹²⁰Te, 0.096%; ¹²²Te, 2.603%; ¹²³Te, 0.908%; ¹²⁴Te, 4.816%; ¹²⁵Te, 7.139%; ¹²⁶Te, 18.95%; ¹²⁸Te, 31.69%; ¹³⁰Te, 33.80%

Atomic Radius	123 pm

Crystal Structure	Trigonal

Discovered by	Muller von Reichstein, 1783