The following are some examples of common concepts from Grade 12 high school chemistry studies that you should be familiar with:
- The names and symbols of the first twenty elements in the periodic table plus a similar number of other common elements
- The common valences of the above elements and the periodic nature of these valences
- The concepts of the nuclear atom, atomic number, and atomic weight
- Formulae and nomenclature of some simple molecules and ions
- Chemical equations and their use in calculations relating to the reactants
- Calculations involving concentrations of solutions, amounts of material, and the units used
- The concept of "ideal" behaviour in gases
- The concept of acids, bases, and salts
- Use of units, especially SI units
- Mathematical operations appropriate to elementary chemical calculations
- Some simple experimental laboratory techniques