Answer
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Work Step by Step
a. The correct name for N2O is dinitrogen monoxide. The other names (nitrogen oxide and nitrogen(I) oxide) are incorrect because N2O is a compound of two nitrogen atoms and one oxygen atom.
b. The correct name for Cu2O is copper(I) oxide. The other names (copper oxide and dicopper monoxide) are incorrect because Cu2O consists of two copper atoms and one oxygen atom, and the oxidation state of copper is +1 in this compound.
c. The correct name for Li2O is lithium oxide. The other names (lithium(I) oxide and dilithium monoxide) are incorrect because Li2O consists of two lithium atoms and one oxygen atom, and the oxidation state of lithium is +1 in this compound.