Question

Silicon atomin crytalised structure is surrounded by

Answer 1

Explanation:

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Silicon (Si+4) is typically surrounded by four oxygen atoms (O-2) to form a stable silicon tetrahedron (SiO4).  This geometric structure is very strong, because the tiny silica atom nestles perfectly between four large oxygens, covalently bonded to each.  On the other hand, this structure results in an excess charge of -4.

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