Question

What is the chemical composition of water?

O 1 hydrogen and 2 oxygen molecules
O 2 hydrogen and 3 oxygen molecules
O 2 hydrogen and 1 oxygen molecules
O 3 hydrogen and 2 oxygen molecules

Answer 1

H20 the 3rd one.

Step-by-step explanation:

2 Hydrogen molecules and 1 Oxygen molecule.

Answer 2

2 hydrogen and 1 oxygen molecules; H2O is water, hydrogen (2) oxygen (1)