1. Do Now
Draw a Lewis Structure for SrO
Draw a Lewis Structure for CH2O

2. Aim
How can compounds form both covalent and ionic bonds?

3. Introduction
Draw a Lewis structure of NaCl, then check this molecule for proper octets.
What would it look like if Na and H switched places between the two compounds?

4. Introduction
Pick the best spot to divide these salts into their similar components:
A)KCl B) GaH3 C) Al2O3
Pick the best spot to divide this compound into its similar components:

5. New Idea: Polyatomic ions

7. Regents Review, Round 1 Which compound contains only ionic bonds? HNO3
NH4Cl
H2O
Na2O

8. Regents Review, Round 2
Which compound contains both ionic and covalent bonds?
HBr
CBr4
NaBr
NaOH

9. Regents Review, Round 3 Which is the formula for sodium perchlorate?
NaClO
NaClO2
NaClO3
NaClO4

10. Regents Review, Round 4
Which compound contains both ionic and covalent bonds?
Ammonia
Methane
Sodium nitrate
Potassium chloride

11. Regents Review, Round 5
Which compound contains both ionic and covalent bonds?
CaCO3
PCl3
MgF2
CH2O