Silicon

Synonyms: None

Symbol: Si

Atomic mass: 28.0855 g/mol

Element number 14 in the Periodic Table. Valence number: 4. Electronegativity: 1.9

MP= 1414^o C; BP= 2355 ^o C; density: 2329 kg/m³; CAS-number: 7440-21-3;

Silicon is an essential trace element as it is necessary for normal growth of rats and chickens. The element is also essential for production of computer chips.

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