Question

what does a chemical formula show?
a. the number and type of each atom in a compound
b. the number of each atom in a compound, only
c. the chemical properties of atoms in a compound
d. the mass of atoms in a compound

Explanation:

A chemical formula uses chemical symbols to denote the elements present in a compound and sub - scripts to show the number of atoms of each element. So it shows both the type and number of each atom in a compound.

Answer:

A. the number and type of each atom in a compound