Tellurium
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Tellurium is a chemical element, having the chemical symbol Te.
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Its atomic number (the number of protons) is 52. It has a Standard Atomic Weight of 127.60(3), and is typically found as a solid in its elemental form.
Tellurium is considered to be a member of the "Metalloid" class of elements, has a boiling point of 988 °C , and a melting point of 449.5 °C .