52 Te

Tellurium

Metalloid
Atomic number52
CategoryMetalloid
Atomic mass127.6
Electron configuration[Kr]4d¹⁰ 5s² 5p⁴
Oxidation states−2, +4, +6
Electronegativity2.1
Melting point449.5 °C
Boiling point988 °C
Density6.24 g/cm³
Crystal structureHexagonal
Group16
Period5
Blockp
Discovered1,782
Crustal abundance0.001 ppm

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