Question

determine the name for each compound from its formulas. k₂o: potassium oxide ni₂se₃: nickel(iii) selenide n₂o₅:

Explanation:

For binary covalent compounds like $N_2O_5$, we use prefixes to indicate the number of atoms of each element. The first element 'N' has 2 atoms so we use "di -" as a prefix, and the second element 'O' has 5 atoms so we use "penta -" as a prefix. The second element ends with the suffix "-ide".

Answer:

Dinitrogen pentoxide