Sodium, oxygen and chlorine
The chemical formula of water is H2O (hydrogen and oxygen).
The chemical formula of water is H2O.
The chemical formula of water is H2O.
The chemical formula of water is HO.
Water
An atom is what makes up chemical formulae. Just look at the periodic table -- those are your chemical formulae for atoms. Can be from H to Uuo.
There is no single compound that makes up wood. About 40% of wood is cellulose. Click on the related link to learn more about the composition of wood.
The chemical formula of Anhydrite is Calcium Sulfate. Sometimes the shell of anhydrite can be composed of strontium, depending where you find it.
The chemical formula of cysteine is C3H7NO2S.
The chemical formula of calcium phosphate is Ca3(PO4)2.
Ozone has chemical formula O3. There are three oxygen atoms in one molecule of ozone. There is no other element that makes up ozone.
A compound formula, or molecular formula, tells you about the chemical composition of the substance in terms of the number of atoms of that element that are present. From there, the empirical formula may also be derived by simplifying the molecular formula, as well as its structural formula.