Question

1 waters chemical formula is h₂o. what does this mean? (a) water is made up of h₂o atoms (b) hydrogen and oxygen always combine in water (c) each water molecule contains two hydrogen atoms and one oxygen atom (d)

Explanation:

The chemical formula H₂O indicates that each water molecule is composed of two hydrogen atoms and one oxygen atom. Water is made up of H₂O molecules. Option A is correct as it accurately describes what the formula means. Option B is not relevant to the meaning of the formula. Option C is unclear from the blurred text. Option D is also not related to the basic meaning of the H₂O formula.

Answer:

A. Water is made up of H₂O molecules