H₂O
H₂O is the chemical formula for water. It means that each water molecule is made up of two hydrogen atoms (H) and one oxygen atom (O).
Examples of where to find H₂O:
- Oceans, lakes, and rivers
- Rain, snow, and ice
- The liquids in your body
- Fruits, vegetables, and other foods
Etymology:
- H: The symbol "H" stands for the element hydrogen.
- O: The symbol "O" stands for the element oxygen.
- ₂ The small "2" next to the "H" means there are two hydrogen atoms in each water molecule.