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Question

In silica (SiO2), each silicon atom is bonded to:

A
two oxygen atoms
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B
four oxygen atoms
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C
one silicon and two oxygen atoms
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D
one silicon and four oxygen atoms
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Solution

The correct option is B four oxygen atoms

The tetravalency of Si is surrounded by four oxygen atoms. Much of the silicon and oxygen in the Earth’s crust is present as the compound silicon dioxide also known as silica.

Hence, option B is correct.

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