Do Now
•Draw a Lewis Structure for SrO
•Draw a Lewis Structure for CH2O
Aim
•How can compounds form both covalent and ionic
bonds?
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?
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:
New Idea: Polyatomic ions
Regents Review, Round 1
• Which compound contains only ionic bonds?
1. HNO3
2.
3.
4.
NH4Cl
H2O
Na2O
Regents Review, Round 2
• Which compound contains both ionic and covalent bonds?
1.
HBr
2.
CBr4
3.
NaBr
4.
NaOH
Regents Review, Round 3
• Which is the formula for sodium perchlorate?
1.
NaClO
2.
NaClO2
3.
NaClO3
4.
NaClO4
Regents Review, Round 4
• Which compound contains both ionic and covalent bonds?
1.
Ammonia
2.
Methane
3.
Sodium nitrate
4.
Potassium chloride
Regents Review, Round 5
• Which compound contains both ionic and covalent bonds?
1.
CaCO3
2.
PCl3
3.
MgF2
4.
CH2O