In chemistry, there are a variety of methods that scientists use to identify a chemical compound, including a molecular formula, molar mass and molecular diagram. The simplest formula of these is ...

Back to basics with today’s graphic, with a look at the different ways compounds in organic chemistry can be represented. Obviously, if you’re a chemist, these will all be second nature, but as was ...

For example, magnesium oxide is made up of two elements, magnesium and oxygen. Its formula is MgO. This shows that it has one atom of magnesium for every one atom of oxygen.