National 5 Chemistry Course:
UNIT 1: Rates of Reactions, Covalent Bonding, Ionic Bonding, Acids and Bases etc.
UNIT 2: Homologous Series(alkanes,alkenes,cycloalkanes), and Alcohols, Carboxylic Acids, and Esters, and Fuels etc.
UNIT 3: Metals incl metallic bonding, Oxidation/Reduction, Fertilizers, Radioisotopes (t 1/2 , nuclear equations etc.) and Chemical Analysis
Hope this helped! Let me know ASAP if you haven't been taught any of these.