1.

In silicon dioxide:

Answer»

each silicon atom is surrounded by four OXYGEN atoms and each oxygen atom is BONDED atoms and each oxygen atom is bonded to TWO silicon atoms.
each silicon atom is surrounded by two oxygen atoms and each oxygen atom is bonded to two silicon atoms.
silicon atom is bonded to two oxygen atoms.
there are double BONDS between silicon and oxygen atoms.

Solution :Silicon dioxide is a network solid in which each `Si` atom is tetrahedrally surrounded by 4 oxygen atoms.


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