Unit C - The Atom

Remember that in this cumulative course, all "old" vocabulary is always fair game.
Don't just memorize a definition, but think about, maybe even try to predict what question I might ask that involves each word or concept listed below.
  • proton - neutron - electron
  • nucleus
  • atomic number
  • average atomic mass
  • mass number
  • rows - periods
  • columns - groups - families
  • isotopes
  • Law of Conservation of Mass
  • Law of Constant Composition
  • allotropes
  • diatomic gases
  • Chemical Families
    • alkali metals
    • alkaline earth metals
    • halogens
    • noble gases
  • transition metals
  • metals - nonmetals (metalloids)