What Makes up a Water Molecule

A water molecule has three atoms: two hydrogen (H) atoms and one oxygen (O) atom.

What are the 3 parts of a water molecule?

A water molecule consists of three atoms; an oxygen atom and two hydrogen atoms, which are bond together like little magnets. The atoms consist of matter that has a nucleus in the centre. The difference between atoms is expressed by atomic numbers.

What is the molecule for water?

The scientific name for water is H2O. It is called H2O because it has two atoms of hydrogen (H) and one atom of oxygen (O). There are millions of these molecules in one drop of water. The form water takes depends on the movement of the water molecules.