Unit 5 Review
Accelerated Chemistry
12-13
Mrs. Martin
shared
1. In covalent bonds, electrons are ___________
2 electrons are shared
In a single covalent bond, ____
In a double covalent bond, ____
4 electrons are
shared
6 electrons are shared
In a triple covalent bond, ____
The more electrons that are shared, the bond length
shorter
becomes __________________
transferred
2. In ionic bonds, electrons are ______________
nonmetals and
3. Covalent bonds happen between __________
__________
metalloids
Another name for covalent compounds is Molecular
_________
metals and
4. Ionic bonds happen between __________
__________
nonmetals
Determine if the property is describing a
covalent compound or an ionic compound.
5. High melting point ionic
6. Solids at room temperature ionic
7. Names uses prefixes covalent
8. Conducts electricity in solution ionic
9. Hard and brittle ionic
Determine if the property is describing a
covalent compound or an ionic compound.
10. Crystal lattice structure ionic
11. Individual molecules covalent
12. NEVER conducts electricity covalent
13. Any state of matter at room temperature
covalent
Write the name for the compound – watch –
mixed practice
14. S2O3
Disulfur trioxide
15. CO
Carbon monoxide
16. CuCl2
Copper (II) chloride
17. Cs2CO3
Cesium carbonate
18. NH3
ammonia
Write the formula for the compound.
19. Silicon pentafluoride
SiF5
20. Methane
CH4
21. Disilicon tetrabromide Si Br
2 4
22. Sodium oxide
Na2O
23. Calcium phosphate
Ca3(PO4)2
Draw the Lewis structure for the following
molecules
24. NCl3
25. OF2
26. SiS2
Name the shape of the following molecules.
27.
28.
Trigonal planar
bent
Do any of these structures show resonance? No
Name the shape of the following molecules.
29.
30.
octahedral
Trigonal
bipyramidal
Do any of these structures show resonance? No
Name the shape of the following molecules.
31.
32.
bent
tetrahedral
Do any of these structures show resonance?
YES! O3
Determine if the bond is polar.
33. H and O Polar
34. N and F Polar
35. I and Cl polar
Are the following compounds polar or nonpolar
36.
37.
polar
Nonpolar
Trigonal planar shape
38.
Nonpolar
Octahedral shape
39.
Nonpolar
Nonpolar bonds
Use the Lewis structure for aspirin to answer the
following questions
40. How many pi bonds are present? 5
41. How many sigma bonds are present? 21
Use the Lewis structure for aspirin to answer the
following questions
42. What is the shape around the circled
carbon? Trigonal planar shape
Use the Lewis structure for aspirin to answer the
following questions
43. What is the shape around the circled
carbon? tetrahedral
• The End
• Good Luck!
• Make sure that your packet
is as complete as possible