How are prefixes used to name compounds? O A. A prefix is used only for the name of the second element in
covalent compounds.
B. Prefixes are used to tell how many of each kind of atom are in
covalent compounds.
C. Prefixes are used to tell how many of each kind of atom are in
ionic compounds.
O D. Prefixes are used to indicate the number of atoms in both covalent
and ionic compounds.

(answer is B) :)