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Because both silicon and oxygen 'share' electrons. As the oxidation state of Si is +4 and Oxyen is -2

4-2-2=0

So the sharing of the electrons in the atoms forms a stable molecule.

And a covalent bond is the name for the sharing of electrons in a bond.

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12y ago
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4mo ago

Silicon dioxide is a covalent compound because it is formed by the sharing of electrons between silicon and oxygen atoms. In this structure, the atoms are held together by strong covalent bonds, where electrons are shared to achieve a stable electron configuration.

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Q: Why is silicon dioxide a covalent bond?
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