Calculate # of valence electrons Define period and group and know some properties of each o Recognize alkali metal, alkali earth metal, noble gas, and halogens Difference between metal, nonmetal, metalloid Charges of subatomic particles What is a covalent bond and how does it work What is an ionic bond and how does it work What is a metallic bond and how does it work Difference in strength and occurrence of dipole, dispersion and hydrogen bonding BETWEEN MOLECULES Be able to draw molecules in 2D Recognize polarity of molecules Find ionic charge of atoms Define: o VSEPR Theory o Polyatomic ion o Octet Rule o Coordinate covalent bonds Define, describe trends and explain why these trends work the way they do for: o Ionization Energy o Electronegativity o Atomic Radius Give some properties of ionic, covalent and metallic solids Recognize shapes of molecules