We’re being asked to determine the name of P4O10. Iodine and oxygen are both nonmetals.
Recall that a covalent compound is composed of nonmetals which means P4O10 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.
Determine the name for P4O10.
a. phosphorus (IV) oxide
b. diphosphorus pentoxide
c. phosphorus oxide
d. phosphorus (II) oxide
e. tetraphosphorus decoxide
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