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Semester 2 Final Review Part 1a

Total questions: 50

Worksheet time: 1hrs 7mins

Name
Class
Date
1.

Name the ionic compound, CaCO3

a)

calcium carbide

b)

calcium carbon trioxide

c)

calcium carbon oxide

d)

calcium carbonate

2.

What is the correct formula of phosphorus trichloride?

a)

P2Cl3

b)

P3Cl3

c)

PCl3

d)

PCl5

3.

What is the correct molecular formula for sodium nitrate?

a)

NaNO2

b)

Na3N

c)

Na3NO

d)

NaNO3

4.

What is the correct molecular formula for barium hydroxide?

a)

Ba(OH)2

b)

Ba2OH

c)

BaOH

d)

Ba2OH

5.
What is the formula for iron(II) carbonate?
a)
Fe2CO3
b)
FeCO3
c)
Fe2CO2
d)
FeCO4
6.
What is the formula for copper(I) sulfate?
a)
CuSO3
b)
CuSO4
c)
Cu2SO3
d)
Cu2SO4
7.
Balance this equation
_Al +_HCl --> _H2 +_AlCl3
a)
2, 6, 3, 2
b)
it is already balanced
c)
4, 12, 3, 4
d)
2, 1, 4, 5
8.
Si + S8 --> Si2S4
a)
Synthesis (combination)
b)
Decomposition
c)
Single replacement
d)
Double replacement
9.
 Fill in the blank to balance the chemical equation. 
2KI  +  ____Cl2 →  2KCl  +  I2
a)
1
b)
2
c)
3
d)
4
10.
What coefficient should go in the blank space to balance the chemical equation? 
2Al  +____  HCl   →    2AlCl3  +  3H2
a)
2
b)
4
c)
3
d)
6
11.

Which equation shows magnesium sulfate plus sodium carbonate to produce magnesium carbonate and sodium sulfate?

a)

MgSO4 + Na2CO3 → MgCO3 + Na2SO4

b)

MgCO3+ Na2SO4 →MgSO4 + Na2CO3

c)

MgNa2 + CO3SO4 →MgSO4 + Na2CO3

d)

Mg + S + Na + C → MgS + NaC

12.
When the temperature of matter increases the particles...
a)
speed up and move closer
b)
speed up and move farther apart
c)
slow down and move closer together
d)
slow down and move farther apart
13.
True or False: Gases can be compressed. 
a)
True
b)
False
14.
When Pressure increases then the Volume must...
a)
Increase
b)
decrease
15.
When Volume increases then Pressure must...
a)
Increase
b)
Decrease
16.
What type of relationship to pressure and volume have?
a)
direct
b)
inverse
c)
no relationship
d)
I don't know
17.
Which container will have a lower pressure?
a)
left
b)
right
c)
they both have the same pressure
d)
I don't know
18.
What causes pressure?
a)
The walls of the container
b)
The vacuum in the container
c)
The collisions of the particles
d)
Atmospheric pressure acting on the outside walls
19.

A student measures the pressure and volume of an empty water bottle to be 1.4 atm and 2.3 L. She then decreases the pressure to 0.65 atm. What is the new volume?

a)

2.1 L

b)

5.0 L

c)

8.2 L

d)

3.9 L

20.

A student inflates a balloon with helium then places it in the freezer. The student should expect

a)

the balloon's volume to increase

b)

the balloon's volume to decrease

c)

the balloon's moles to increase

d)

the balloon's moles to decrease

21.
This picture represents: 
a)
Element
b)
Compound
c)
Mixture of Elements
d)
Mixture of Compounds
22.
This picture represents: 
a)
Element
b)
Compound
c)
Mixture of Elements
d)
Mixture of Compounds
23.
This picture represents: 
a)
Element
b)
Compound
c)
Mixture of Elements
d)
Mixture of Compounds
24.
All matter is made up of .....
a)
Compounds
b)
Atoms
c)
Molecules
d)
Sunshine
25.
Which of the following would you use to separate sand from iron?
a)
a bar magnet
b)
paper
c)
hot plate
26.
Which one of these pictures represents a pure substance? 
a)
1 and 2
b)
1 and 3
c)
2 and 3
d)
1, 2 and 3
27.
Which one of these pictures represents a mixture? 
a)
1
b)
2
c)
3
d)
1, 2 and 3
28.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
29.
Classify the sample
a)
Element
b)
Compound
30.
Classify the Sample. 
a)
Pure Substance
b)
Mixture of Elements
c)
Mixture of Compounds
d)
Mixture of Elements and Compound
31.
Which chemical formula could be represented by this sample?
a)
NaCl
b)
H2
c)
C6H12O6
d)
Cu
32.

In order to show different substances in a particle picture we must...

a)

use parenthesis, tails, or arrows

b)

use different sizes

c)

use different colors or labels

d)

none of the above

33.

Which separation technique is shown below

a)

filtration

b)

crystallization

c)

sublimation

d)

evaporation

34.
Which technique is shown the diagram below
a)
seiving
b)
filtration
c)
decanting
d)
crystallization
35.

A mixture of water (b.p. 100oC) and alcohol (b.p. 78oC) is separated using distillation. Which will boil out first?

a)

water

b)

alcohol

36.

Which image would have the formula AB3 ?

a)

A

b)

B

c)

C

d)

D

37.

Which of the following is not a compound?

a)

HCl

b)

Cl2

c)

NaCl

d)

CO2

38.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
39.

This picture represents which of the following?

a)

molecular element

b)

molecular compound

c)

mixture

40.
(Element or Compound)
       C2H8O 
a)
Element
b)
Letters
c)
Numbers
d)
Compound
41.

If 24.3 g of Mg completely reacts with 16.0 g of O, what is the percent by mass of Mg in the compound that forms?

a)

20%

b)

40%

c)

50%

d)

60%

42.

If 22.9 grams of Na completely react with 35.4 g Cl, what is the percent by mass of Na in the compound that forms?

a)

39%

b)

61%

c)

35%

d)

65%

43.

This picture represents which of the following?

a)

molecular element

b)

molecular compound

c)

element

44.

What class of solids does the above belong to?

a)

Atomic

b)

Molecular

c)

Ionic

45.

Would you expect the solid above to have a high or low boiling point?

a)

High

b)

Low

c)

Impossible to tell

46.

How many ions are formed when (NH4)2CO3 dissolves?

a)

14 ions

b)

7 ions

c)

3 ions

d)

13 ions

47.

The name chemist's gives to the compound CaCl2 is calcium chloride. But the name chemists give to the compound FeCl2 is iron(II)chloride. What is the reasoning for this difference in naming?

a)

Calcium is a transition metal that only forms a charge of +2

b)

Iron is a transition metal than can form more than one charge

c)

However many chlorines bond within a compound decide how a compound is named

d)

Elements with an odd number of chlorines bonded will be named differently.

48.

Which of the following CORRECTLY indicates the symbol and charge formed for the identified element?

a)

Sodium, S3-

b)

Barium, Ba-2

c)

Zinc, Zn2+

d)

Potassium, K2+

49.

Which of the following CORRECTLY indicates the symbol and charge formed for the identified element?

a)

Sulfur, S3-

b)

Iron, Fe-2

c)

Magnesium, Mg2+

d)

Oxygen, O+2

50.
Which of these compounds is ionic? 
a)
Carbon dioxide
b)
Dinitrogen trioxide
c)
Silicon tetrachloride
d)
Lithium bromide

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