Students learn to define and identify organic compounds. Chemical Reactions: Writing Molecular Formulas and an Introduction to Organic Molecules: Students learn to define and identify organic ...

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

Part of Chemistry (Single Science) The nature of substances and chemical reactions This diagram shows that one carbon atom and two oxygen atoms combine to make up the units of carbon dioxide. Its ...