Part one Introduction to main chemical concepts: atoms, elements and formulae; atomic structure, covalent and ionic bonding; particles in motion, speed of reaction and kinetics; acids, bases and salts; thermal and electrical energy changes; oxidation and reduciton; the chemistry of non-metals; carbon chemistry, organic compounds. Part two Specific chemical concepts in biology: aldehydes, ketons, aldols and ketals; carboxylic acids and esters; amines and amino acids; peptides and proteins; carbohydrates; fats; rates of reaction; redox reactions; molecules and light; radioactivity.