We’re being asked to determine the formula of silicon dioxide. Silicon and oxygen are both nonmetals.
Recall that a covalent compound is composed of nonmetals which means silicon dioxide is a covalent compound.
The rules for naming covalent compounds are as follows:
1. The first nonmetal is named normally and uses all numerical prefixes except mono.
2. The second nonmetal keeps its base name but has its ending change to –ide. It will also use any of the numerical prefixes.
What is the chemical formula for silicon dioxide?
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