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In the Lewis dot structure for SiO2, how many total valence electrons are there in the entire molecule, including the ones used to form bonds?
The total valence electrons present in molecule are as follows.
Valency of Si + (Valency of oxygen × number of oxygen atoms)
= 4 + (6 × 2)
= 4 + 12
Therefore, there are total 16 valence electrons in molecule including the ones used to form bonds.
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