- The chemical formula of water is h2o
- The number in chemical formula shows the number of atoms of each element in a molecule
- Therefore, the number in chemical formula of water shows the number of atoms of each element in a water molecule

- The number in chemical formula of water shows the number of atoms of each element in a water molecule
- Water is made of hydrogen and oxygen
- Hence, the number in chemical formula of water shows the number of hydrogen and oxygen in a water molecule

- The number in chemical formula of water shows the number of hydrogen and oxygen in a water molecule
- The chemical formula of water is h2o
- Hence, a molecule of water is made of 2 hydrogen atoms and 1 oxygen atom

Hence, a molecule of water is made of 2 hydrogen atoms and 1 oxygen atom
Question
The chemical formula for water is H_{2}O. What does the formula show about each element in the compound?

Context
- Water is made of hydrogen and oxygen 
- The chemical formula of water is h2o 
- The number in chemical formula shows the number of atoms of each element in a molecule