For example, the formula H 2 O shows that a water molecule contains two hydrogen atoms and one oxygen atom.

The chemical formula of a covalent molecular substance gives the number of atoms per molecule. The formula of a covalent network or ionic compound gives the simplest ratio of atoms/ions in the ...

You might know that H20 is the chemical formula for water, but what about the chemistry of you? Dr Joe Hanson, a science writer and biologist based in Austin, Texas, pondered this very question and ...