Question

what does a chemical formula show? the cost of a chemical the number and types of atoms in a substance the shape of a molecule the boiling point of a substance question 4 (1 point) in h₂o, how many hydrogen atoms are there? 1 2 3 0

Explanation:

A chemical formula uses chemical symbols to denote the types of atoms and sub - scripts to show the number of each type of atom in a substance. In the chemical formula H₂O, the sub - script 2 next to H indicates the number of hydrogen atoms.

Answer:

What does a chemical formula show?

• B. The number and types of atoms in a substance

In H₂O, how many hydrogen atoms are there?

• B. 2