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Chemistry Finals Review

Total questions: 65

Worksheet time: 1hrs 5mins

Name
Class
Date
1.
_BaS + _PtF2 → _BaF2 + _PtS
a)
1 BaS + 1 PtF2 → 1 BaF2 + 1 PtS
b)
4 BaS + 2 PtF2 → 1 BaF2 +  1 PtS
c)
1 BaS + 2 PtF2→ 2 BaF2 +  2 PtS
d)
1 BaS + 3 PtF2 →1 BaF2 +  2 PtS
2.
_AlBr3 + _K2SO4 → _KBr + _Al2(SO4)3
a)
6 AlBr3 + 1 K2SO4 → 6 KBr + 1 Al2(SO4)3
b)
2 AlBr3 + 3 K2SO4 → 6 KBr + 1 Al2(SO4)3
c)
1 AlBr3 + 1 K2SO4 → 2 KBr + 3 Al2(SO4)3
d)
2 AlBr3 + 3 K2SO4 → 1 KBr + 2 Al2(SO4)3
3.
The following is what type of reaction:
PbCl2 + AgNO3 → Pb(NO3)2 + AgCl
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
4.
3Ca + 2AlCl3 --> 3CaCl2 + 2Al
a)
Synthesis
b)
Decomposition
c)
Single Displacement
d)
Double Displacement
5.
C4H12 + O2 → CO2 + H2O
a)
Synthesis
b)
Combustion
c)
Single Replacement
d)
Double Replacement
6.
A 55-gram egg is placed in a pot. After the egg is boiled, which is most likely the mass of the egg?
a)
50 
b)
55 
7.
When dissolved in water, the solution is a good conductor of electricity.
a)
ionic compounds
b)
covalent compounds
8.
usually soft
a)
ionic compounds
b)
covalent compounds
9.

Compounds composed of a ______________ and _____________ like the compound CaCl2 , are ionic compounds.

a)

metal ... metal

b)

nonmetal ... nonmetal

c)

metal ... nonmetal

10.
Where are the non-metallic elements found in the periodic table?
a)
In the middle
b)
In the top rows
c)
On the left-hand side
d)
On the right-hand side
11.
What property of metals means that heat and electricity can move easily through?
a)
luster
b)
conductor
c)
malleable
d)
ductile
12.

Fizzing or foaming is evidence that a chemical change may have occurred.

a)

True

b)

False

13.

Mixing sugar and water

a)

physical change

b)

chemical change

14.

Baking Soda reacts with vinegar and forms a gas

a)

physical change

b)

chemical change

15.
Frank has an eraser. It has a mass of 4g, and a volume of 2cm3. What is its density?
a)
8 g/cm3
b)
2 g/cm3
c)
1/2 g/cm3
d)
24 g/cm3
16.

Why do objects sink or float in H2O?

a)

Because their densities are higher or lower than compared to water

b)

Because their densities are using gravity to pull down

c)

Because their densities are heavier or lighter

d)

Because their mass and volumes are equal

17.

What is the volume of 150 grams of lead if it has a density of 11.3 g/cm3?

a)

13.3 g

b)

13.3 cm3

c)

.075 g

d)

1695 cm3

18.
How is a gas defined?
a)
Indefinite shape, indefinite volume
b)
Definite shape, definite volume
c)
Found in stars
d)
Definite volume, indefinite shape
19.
Particles of a liquid
a)
are tightly packed together and stay in a fixed position.
b)
have no viscosity.
c)
decrease in volume with increasing temperature.
d)
are free to move around one another but still touch.
20.
How do the following two elements bond together?
Al3+  O2-         
a)
AlO
b)
Al2O3
c)
Al3O6
d)
Al3O2
21.
Particles (molecules) in a ______________________ have more energy than the other states of matter.
a)
gas
b)
solid
c)
liquid
22.

What is the charge for Gold in the formula AuO2?

a)
+2
b)
+1
c)
+4
d)
(II)
23.
What is the formula for aluminum fluoride?
a)
AlF
b)
Al2F3
c)
AlF3
d)
Al3F2
24.
How many valence electrons does a bromine atom have?
a)
1
b)
2
c)
6
d)
7
25.
What is the correct formula for the compound, lithium oxide?
a)
LiO
b)
Li2O
c)
LiO2
d)
Li2O2
26.
The name for CrN:
a)
Chromium nitride
b)
Chromium (I) nitride
c)
Chromium (III) nitride
d)
Chromium nitride (III)
27.
An isotope has three forms.  30% have a mass of 4 amu, 20% have a mass of 5 amu and 50% have a mass of 3 amu.  Average atomic mass will be closest to
a)
2 amu
b)
3 amu
c)
4 amu
d)
5 amu
28.

What is the volume of the liquid in this graduated cylinder?

a)

19 mL

b)

35 mL

c)

24 mL

29.
Examples are milk and gasoline.
a)
elements
b)
mixtures
c)
compounds
30.
Is sugar (C12H22O11) an element or a compound?
a)
Element
b)
Compound
31.

diagram "a" is an example of a(n)

a)

element

b)

compound

c)

mixture

32.

diagram "c" is an example of a(n)

a)

element

b)

compound

c)

mixture

33.
Which element has the smaller atomic radius: potassium (K) or bromine (Br)?
a)
potassium (K)
b)
bromine (Br)
34.
Which element has the greatest ionization energy: Aluminum (Al)    or    Chlorine (Cl)?
a)
Aluminum (Al)
b)
Chlorine (Cl)
35.
Which element has the greatest electronegativity: Nitrogen (N) or Arsenic (As)?
a)
Nitrogen (N)
b)
Arsenic (As)
36.

How many protons are in Gold?

Assume Mass number is 197

a)

79

b)

197

c)

118

d)

276

37.
An atom becomes _________ when it gains electrons.
a)
Positive
b)
Negative
c)
Neutral
d)
Invinsible
38.
What is an isotope? 
a)
A charged atom
b)
An atom with different amounts of neutrons
c)
An atom with different amounts of protons
d)
A neutral atom
39.
How many neutrons does an Oxygen-19 isotope have?
a)
19
b)
8
c)
11
d)
10
40.
If an element has 3 valence electrons, what charge will likely form on its ion ?
a)
+3
b)
+5
c)
-3
d)
-5
41.
charge of beryllium ion
a)
-2
b)
-1
c)
+1
d)
+2
42.
Anions are...
a)
Positive
b)
Negative
c)
Neutral
d)
Crying
43.

If an atom has 9 protons and 10 electrons it has a charge of ____.

a)

0

b)

-1

c)

+1

d)

-2

44.

If an atom has a charge of -2 and an atomic number of 16 it should have _______ electrons.

a)

14

b)

16

c)

18

d)

20

45.
What is the name of this element?
a)
Helium
b)
Hydrogen
c)
Argon
d)
Silver
46.
How many valence electrons?
a)
2
b)
3
c)
5
d)
10
47.

USE THE PERIODIC TABLE

How many valence electrons does sodium have?

a)

1

b)

2

c)

3

d)

4

48.

USE THE PERIODIC TABLE

How many valence electrons does Phosphorus have?

a)

31

b)

5

c)

15

d)

4

49.
The electron configuration of an atom is 1s22s22p6.  The number of electrons in the atom is 
a)
3
b)
6
c)
8
d)
10
50.
An orbital can at most hold how many electrons?
a)
1 electron
b)
2 electrons
c)
3 electrons
d)
4 electrons
51.

Identify the rule that is being violated

a)

Aufbau's Principle

b)

Hund's Rule

c)

Pauli's Exclusion Principle

d)

Heisenberg uncertainty principle

52.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
53.

Which is the correct electron configuration of As (Astatine)?

a)

1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p3

b)

1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p3

c)

1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6

d)

1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6

54.

Which is the electron configuration of Br (Bromine)?

a)

1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5

b)

1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6

c)

1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p5

d)

1s2 2s2 2p6 3s2 3p6 4s2 3d5

55.

Which is the electron configuration of Mo (Molibdenum)?

a)

1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d4

b)

1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10

c)

1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 4d4 5s2

d)

1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d6

56.

Which is the electron configuration of Br (Bromine)?

a)

1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p5

b)

1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6

c)

1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p5

d)

1s2 2s2 2p6 3s2 3p6 4s2 3d5

57.

Which are the 2 last parts in the electron configuration of I (iodine)?

a)

4d10 5p5

b)

4d10 5p6

c)

5s2 5p5

d)

5s2 5p6

58.

Which is the electron configuration of Ar (Argon)

a)

1s2 2s2 2p6 3s2 3p6

b)

1s2 2s2 2p6 3s2 3p0

c)

1s2 2s2 3s2 4s2 4p6

d)

3s2 4f14 4s2

59.

How many electrons can the s orbital hold?

a)

2

b)

1

c)

4

d)

6

60.

How many electrons can a d orbital hold?

a)

10

b)

7

c)

14

d)

6

61.
Name CCl4
a)
carbon carbon tetraiodide
b)
carbon tetrachloride
c)
monocarbon tetrachloride
d)
water
62.
Give the formula for oxygen dichloride
a)
OCl2
b)

O2Cl2

c)
OCl
d)
O2Cl
63.
Name SO2
a)
monosulfur dioxide
b)
sulfur dioxide
c)
sulfur oxide
d)

sulfur (II) oxide

64.
Where are the non-metals located on the periodic table?
a)
All over
b)
On the left side of the "staircase"
c)
On the right side of the "staircase"
65.
Low melting point and low solubility in water are general properties of ______________________ compounds
a)
ionic
b)
covalent
c)
chemical
d)
glucose

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