How do you know if a compound is binary or ternary?

Find the number of moles of argon in 364g of argon.

What two factors can affect the properties of a hydrocarbon? a. the number of its carbon atoms and the number of single bonds b. the number of its carbon atoms and the arrangement of its atoms c. the arrangement of its atoms and the number of its double bonds

Anitrogen atom and an oxygen atom combine chemically to form nitric oxide. what is nitric oxide?