We will go over topics in High School Chemistry that the learner needs help with.  These topics include chemical calculations, significant figures, problem solving by the unit conversion method, atoms, ions, molecules, moles, how to calculate average atomic mass, stoichiometry, chemical equations, nuclear chemistry, electrochemistry, balancing equations, molarity, solubility rules, energy diagrams, physical properties and changes, chemical properties and changes, gas stoichiometry and...