1. Semester 1 Jeopardy! Units 4 and 5

2. Polarity and Intermolecular Forces
Lewis and VSEPR
Polarity and Intermolecular Forces
Chemical Equations
Types of Reactions
Naming
$20
$20
$20
$20
$20
$40
$40
$40
$40
$40
$60
$60
$60
$60
$60
$80
$80
$80
$80
$80
$100
$100
$100
$100
$100

3. Naming - $20
Write the formula for diphosphorous pentaoxide
P2O5

4. Naming - $40
Write the formula for magnesium oxide
MgO

5. Naming - $60
Name FeSO4
Iron sulfate

6. Naming - $80
Name C3H6O4
Tricarbon hexahydrogen tetraoxide

7. Naming - $100 Name SO3 Name SO3-2 Name FeSO3 sulfur trioxide sulfite
Iron sulfite

8. Lewis and VSEPR - $20
The shape of a molecule with 3 pairs of bonding electrons and 1 pair of nonbonding electrons around the central atom
Trigonal pyramid

9. Lewis and VSEPR - $40 Draw the Lewis structure of CH4
What is the geometry of this molecule? H |
H – C – H
tetrahedral

10. Lewis and VSEPR - $60 Draw the Lewis structure of SO3
What is the geometry of this molecule? O ||
O – S – O
Trigonal planar

11. Lewis and VSEPR - $80 Draw the Lewis structure of H2S
What is the geometry of this molecule? ..
H – S – H
Bent

12. Around each P the geometry is trigonal planar
Lewis and VSEPR - $100
Draw the Lewis structure of P2S4
What is the geometry of this molecule?
S S
|| ||
P – P
| |
Around each P the geometry is trigonal planar

13. Polarity and Forces - $20
The type of covalent bond in which electrons are shared unequally is called a
Polar Bond

14. Polarity and Forces - $40
What is the type of force between the δ- on one molecule and the δ+ on a different molecule
Hydrogen bonding if the δ+ is on a hydrogen atom
Dipole-dipole force of the δ+ is not on a hydrogen atom

15. Polarity and Forces - $60
How does having hydrogen bonding affect a molecule’s properties?
More H bonding = more viscosity
higher boiling point
more surface tension

16. Polarity and Forces - $80 Are the following bonds polar or nonpolar?
C – H
C – O
O – H
Nonpolar
Polar

17. Polarity and Forces - $100
Is the following molecule polar or nonpolar?
What intermolecular forces are involved?
O == C == O
Nonpolar
Dispersion and dipole-dipole

18. Chemical Equations - $20 Balance the equation: H2O → H2 + O2

19. Chemical Equations - $40
The substances on the left side of a chemical equation are called
The substances on the right side of a chemical equation are called
Reactants
Products

20. Chemical Equations - $60
Write the skeletal equation for: Two gaseous dicarbon dihydride molecules react with five gaseous dioxide molecules to produce four gaseous carbon dioxide molecules and 2 liquid water molecules.
2 C2H2 (g) O2 (g)  4 CO2 (g) H2O (l) )

21. Chemical Equations - $80
Write the sentence for the following balanced equation:
FePO4(aq) + 3NaOH(aq) → Na3PO4(aq) + Fe(OH)3(s)
1 aqueous iron phosphate compound reacts with
3 aqueous sodium hydroxide compounds to produce
1 aqueous sodium phosphate compound and
1 solid iron hydroxide compound

22. Chemical Equations - $100
Write the following sentence as a chemical equation:
One aqueous ammonium carbonate reacts with
one aqueous magnesium acetate to produce
two aqueous ammonium acetate and
one solid magnesium carbonate.
The reaction is catalyzed by heat. ∆
(NH4)2CO3(aq) + Mg(C2H3O2)2(aq) → 2NH4C2H3O2(aq) + MgCO3(s)

23. Types of Reactions - $20
State the type of reaction and predict the products
CH4 + O2 →
Combustion
CH4 + O2 → CO2 + H2O

24. Types of Reactions - $40
State the type of reaction and predict the products
CaO →
Decomposition
CaO → Ca + O2

25. Types of Reactions - $60
State the type of reaction and predict the products
Na + Cl2 →
Combination
Na + Cl2 → NaCl

26. Types of Reactions - $80
State the type of reaction and predict the products
Ca + Al(OH)3 →
Single-replacement
Ca + Al(OH)3 → Al + Ca(OH)2

27. Types of Reactions - $100
State the type of reaction and predict the products
NaNO3 + KC2H3O2 →
Double-replacement
NaNO3 + KC2H3O2 → KNO3(aq) + NaC2H3O2(aq) No Reaction