numerical problems (30-40% of point total):
density; percent composition; empirical formula; stoichiometry (wt-wt); limiting reagent; molarity; percent solute; reaction yield; combinations of these;

chemical reactions/equations (10-20%): combination/combustion reactions;
C, H, S, P, + O₂;
decomposition reactions;
 

definitions, etc.(40-60%):
elements; compounds; physical & chemical, intensive & extensive properties;
precision, accuracy, significant figures; metric system of units (SI): milli-, micro-, nano-,
pico-, kilo-, mega-; kelvins
proton; neutron, nucleus, electron; radioactivity (alpha-, beta- , and gamma-radiation);
Thomson; Rutherford; Mulliken;
oil-drops and plum-puddings;
law of conservation of mass;
isotopes, atomic number, mass number; Periodic Table; groups; periods; alkali metals; alkaline earth metals; halogens; transition elements; rare (noble) gases; metals & nonmetals;
atomic and molecular weights; mass spectrometer; ions; cation; anion;
Avogadro's number;
empirical-, molecular-, structural formulas; allotropes;
mole; molarity;
daltonides; berthollides (nonstoichiometric cpds);
chemical equilibrium; electrolytes (strong and weak);
nomenclature of molecular and ionic compounds; formulas of ionic compounds;