1. What is the name for the compound CuSO4?
a.
Copper (I) sulfate c.
Copper (II) sulfide
b.
Copper (II) sulfate d.
Copper (I) sulfide
2. Which of the following is an ionic bond? type of bond results when one or more?
a.
valence electrons are mobile around the bond
b.
valence electrons are shared
c.
valence electrons sublime
d.
valence electrons are transferred from one atom to another
3. Which type of bond is found in sodium Iodide?
a.
ionic
c.
covalent
b.
hydrogen
d.
metallic
4. Which of the following statements is correct concerning anions and cations
respectively?
a. Anions form when an atom gains protons
b. Cations form when an atom loses electrons
c. Anions form when an atom loses electrons
d. Cations form when an atom loses protons
5. Which of the following shows the correct ion, Lead (II)?
a.
Pb2+ c.
L-2
b.
L2+
d.
Pb-2
6. . In which of the following is the name and formula given correctly?
a.
b.
Sodium nitride, NaN
Aluminum Sulfate, Al2S3
c.
d.
cobaltous fluoride, CoF3
tin (IV) iodide, SnI4
7. . Given the ionic compound CuF, what is the name of this compound?
a.
b.
copper (I) fluoride
copper (II) fluoride
c.
d.
copper (I) fluorate
copper (II) fluorate
8. Metallic Bonding is explained by what?
a.
valence electrons form a sea of electrons
b.
valence electrons are shared
c.
valence electrons sublime
d.
valence electrons are transferred from one atom to another
9. Why do atoms share electrons in covalent bonds?
a. to attain a noble-gas electron configuration
b. to become ions and attract each other
c. to become more polar
d. to increase their atomic numbers
1
10. Which of these elements exist as a diatomic molecule?
a.
b.
Li
B
c.
d.
Cl
C
11. According to VSEPR theory, molecules adjust their shapes to keep which of the
following as far apart as possible?
a.
electrons closest to the nuclei c.
mobile electrons
b.
inner shell electrons
d.
pairs of valence electrons
12. What is the name for H2S and shape?
a.
Hydrogen Sulfide, linear
b.
dihydrogen sulfide, bent
c.
d.
dihydrogen monosulfide, bent
hydrogen monsulfide, linear
13. . What type of geometry does BCl3 have?
a.
b.
pyramidal
c.
trigonal planar d.
bent
tetrahedral
14. Hexane (C3H6) and Calcium Chloride (CaCl2) have very different boiling points. Hexane
boils at 68 °C, while Calcium Chloride melts at 1,935 °C. What is the best explaination for the
difference in boiling points?
a.
Hexane is polar and Calcium Choloride is an ionic compound.
c.
Hexane is a covalent compound and Calcium Chloride is an ionic compound.
b.
Hexane is an ionic compound and Calcium Chloride is a covalent compound.
d.
Both are ionic, the reason for the difference is unknown.
15 A mystery compound X is insoluble (does not dissolve) in water, and compound Y does.
Compound X and Y are most likely
a.
covalent, covalent
c. ionic, ionic
b.
covalent, ionic
d. ionic, covalent
16. What is the shape of carbon tetrachloride?
a.
bent
c.
trigonal planar
b.
tetrahedral d.
linear
17. According to VSEPR theory, what shape describes Carbon dioxide?
a.
tetrahedral c.
linear
b.
bent
d.
trigonal planar
18. In the chemical trinitrogen dioxide, how many nitrogen atoms are there?
a.
1
c.
3
b.
2
d.
4
19. 50. What is the formula of trinitrogen pentafluoride?
a.
b.
N2F5
N3F5
c.
d.
NF3
N5F10
2
20. What is the formula for Magnesium hydroxide?
a.
MgOH
c.
MgOH2
b.
Mg(OH)2
d.
HMgO
21. Which of the following are included as physical properties?
a.
color
c.
hardness
b.
melting points
d.
all of the above
22. Extensive properties include
a.
volume and mass
c.
b.
melting point and mass d.
volume and freezing point
boiling point and density
23. A mystery element Q is a poor conductor of electricity and a dull solid Where
would this element fit on the periodic table?
a.
metals
c.
non-metals
b.
metalloids d.
transition metals
24. Argon, a noble gas, has a stable electron arrangement. Which of the following
has the same electron arrangement as neon?
a.
Al3+ c.
O2b.
Mg+ d.
P325. A student walked into class to see several mysterious powders smeared on the tables. One of
the powders was greenish, and another was white and crystalline. Curious, several students
decided to test the powders to figure out what they were. Here are their results:
observations
powder 1
powder 2
color
white
bluish
texture
hard and crystalline
powdery
dissolves in water
somewhat, but you have to yes, easily stir it
conducts electricity
nope
yes, the light bulb lights
melts
yes, and it smelled like
no way
watermelon
Which powder is ionic? _Powder 2_________
How do you know....
Dissolves in water
Conducts electricity
Does not melt
Which powder is covalent?__Powder 1________
How do you know....
Doesn’t dissolve easily
Doesn’t Conduct electricity
Melts easily
Has a smell (volatile)
3
Pre-Ap Only
26. In the formula X3O2, the symbol X could represent an element in group
a.
b.
1
2
c.
d.
13
18
27. Which of the following groups or pairs of elements/ions are paired with its most
common charge INCORRECTLY?
Group
Charge
A
Alkali metals
+1
B
Alkaline metals
+2
C
Halogens
-2
D
Noble Gases
0
a.
b.
A
B
c.
d.
C
D
28. We will discuss this one in class before the test
Show the Lewis
dots for each and
the transfer of
electrons
write the
chemical formula
for the
compound
write the name
of the compound
Lewis Structure
Name of
Molecule
Shape of
Molecule
Mg and S
29.
Molecule
CH3F
30. You are explaining the rules of nomenclature to a friend. You state the name of
the compound NF3 as nitrogen trifluoride. Your friend says, “Oh, so AlF3 must be
aluminum trifluoride.” What is the correct name?
4
Aluminum fluoride
31. List the seven diatomic elements.
H, N, O, F, Cl, Br, I
5