1.07b - Anatomy of the Atom - 10:01

26/01/2009

Listen "1.07b - Anatomy of the Atom - 10:01"

Episode Synopsis

KEY TERMS: valence electrons, nucleus of the atom, orbitals, shells, protons, neutrons, atomic number, atomic mass (round off), electrons, periods (horizontal rows), groups (vertical columns), period number=#of orbitals, atomic number=# of protons and electrons for neutral atoms