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WorksheetsFinal Review
Total questions: 148
Worksheet time: 5hrs 43mins
Name
Class
Date
1.
How many sig. fig. are in the number below:
106.00
106.00
a)
2
b)
3
c)
4
d)
5
2.
How many sig. fig. are in the number below:
0.056
0.056
a)
1
b)
2
c)
3
d)
4
3.
How many sig. fig. are in the number below:
100.5
100.5
a)
1
b)
2
c)
3
d)
4
4.
How many sig. fig. are in the number below:
0.678
0.678
a)
1
b)
2
c)
3
d)
4
5.
How many sig. fig. are in the number below:
0.0005
0.0005
a)
1
b)
2
c)
3
d)
4
6.
Solve & Round to Correct Sig Figs.
86.04 + 4.04
a)
9.044
b)
9044
c)
90.08
d)
90.44
7.
Solve & Round to Correct Sig Figs.
1.004+25.9
a)
26.204
b)
26.200
c)
26.3
d)
26
8.
Solve & Round to Correct Sig Figs.
4.5 + 4.32 =
a)
8.8
b)
8.7
c)
8
d)
8.0
9.
Solve & Round to Correct Sig Figs.
103.45 + 2 =
103.45 + 2 =
a)
105
b)
104
c)
105.45
d)
106
10.
Solve & Round to Correct Sig Figs.
207 + 2 =
207 + 2 =
a)
209
b)
210
c)
209.0
d)
209.00
11.
This bullseye demonstrates...
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
12.
?
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
13.
Describe the accuracy and precision of the image
a)
Accurate and Precise
b)
Accurate and not precise
c)
Not Accurate and Precise
d)
not accurate and not precise
14.
This image is an example of...
a)
precision ONLY
b)
accuracy ONLY
c)
BOTH precision and accuracy
d)
NEITHER precision and accuracy
15.
Jessie estimates the weight of her cat to be 8 pounds. The actual weight of the cat was 10 pounds. Find the percent error.
a)
15%
b)
20%
c)
25%
d)
30%
16.
The students measured length during a science experiement, they got 12 cm. But the actual measurement was 14.25 cm. What was the percent error?
a)
15.79%
b)
18.75%
c)
2.25%
d)
18%
17.
The deer population is estimated to be 17,600 in northern Illinois, but an actual count was 21,300. What is the percent error?
a)
21%
b)
17.37%
c)
17.4%
d)
21.02%
18.
Round 1009 to three sig figs
a)
100
b)
101
c)
1010
d)
1000
19.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
20.
Round 0.010229 to four sig figs
a)
1022
b)
1023
c)
0.01023
d)
0.01022
21.
What is 98.907 rounded to 1 significant figure?
a)
98.9
b)
90
c)
100
d)
98.91
22.
21.01 x 2.0
a)
42.02
b)
42.0
c)
42
d)
40
23.
17.441 / 3
a)
5.813
b)
5.81
c)
5.8
d)
6
24.
2.134 x 700.
a)
1493
b)
1490
c)
1500
d)
2000
25.
5.21 x 0.09
a)
0.4689
b)
0.469
c)
0.47
d)
0.5
26.
4 / 3.27
a)
1.223
b)
1.22
c)
1.2
d)
1
27.
1900 / 170
a)
11.18
b)
11.2
c)
11
d)
10
28.
181 / 0.25
a)
724.0
b)
724
c)
720
d)
700
29.
Write in scientific notation:
0.0000378
0.0000378
a)
3.78 x 10-5
b)
3.78 x 10-6
c)
0.378 x 10-5
30.
Which number is correctly written in scientific notation?
a)
5.67 x 105
b)
56.7 x 103
c)
0.567 x 106
31.
What is the standard form?
1.245 x 103
1.245 x 103
a)
0.001245
b)
12.45
c)
1245
32.
How would you write 4.3756 x 104 in standard form?
a)
437,560,000
b)
0.00043756
c)
43,756
33.
How do you write
8.317 x 106
in standard form?
8.317 x 106
in standard form?
a)
8, 371, 000
b)
83, 170, 000
c)
837, 100
d)
8, 317, 000
34.
Convert to scientific notation:
520,000,000
520,000,000
a)
52 x 107
b)
5.2 x 107
c)
5.2 x 108
d)
0.52 x 109
35.
Write 0.00000707 in scientific notation.
a)
7.07 x 10-6
b)
7.07 x 106
c)
707 x 108
d)
707 x 10-8
36.
Write 7.8 x 10-3 in standard form.
a)
0.0078
b)
7,800
c)
78
d)
0.078
37.
Divide:
(6.9 x 107) / (2.3 x 10-3)
(6.9 x 107) / (2.3 x 10-3)
a)
3 x 1010
b)
3 x 104
c)
3 x 10-4
d)
3 x 10-11
38.
Multiply:
(9.4 x 106)(3.2 x 105)
(9.4 x 106)(3.2 x 105)
a)
30.08 x 1011
b)
3.8 x 101
c)
3.008 x 1012
d)
2.9375 x 101
39.
Solve:
(6 x 106) / (2 x 103)
(6 x 106) / (2 x 103)
a)
12 x 103
b)
3 x 109
c)
1.2 x 104
d)
3 x 103
40.
How would you write 0.0005 in scientific notation?
a)
50 x 10-5
b)
5 x 10-4
c)
5 x 103
d)
.5 x 103
41.
You know 1000 mg = 1 g. Convert 2.5 grams into milligrams.
a)
25 mg
b)
25,000 mg
c)
250 mg
d)
2500 mg
42.
Convert 3.5 gallons into cups. (1gal = 16cups)
a)
56 cups
b)
0.21875 cups
c)
19.5 cups
d)
48 cups
43.
How many gallons are in a pool that holds 758,000 Liters?
(1 gallon = 3.79 Liters)
(1 gallon = 3.79 Liters)
a)
200
b)
20,000
c)
200,000
d)
2,000,000
44.
Convert 40 ounces to pounds. (16oz = 1lb)
a)
2.5 pounds
b)
.4 pounds
c)
2/5 pounds
d)
5 pounds
45.
The length of a desk is 3.5 feet. How many centimeters is the length?
(there are 2.54 cm in an inch)
(there are 2.54 cm in an inch)
a)
60
b)
120.23
c)
106.68
d)
117.12
46.
Which of the following is a sign that a chemical reaction has occurred?
a)
change in shape
b)
melting
c)
formation of a gas
d)
dissolving
47.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
48.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
pencil sharpening
c)
shrunken clothing
d)
rust
49.
Freezing Juice?
a)
Physical Change
b)
Chemical Change
50.
A change where one or more new substances are created.
a)
Physical Change
b)
Chemical Change
51.
Change in color is a physical change.
a)
True
b)
False
52.
Fizzing, foaming, and burning are all examples of
a)
Chemical change
b)
Physical change
53.
Rust on an iron bar is an example of chemical change.
a)
True
b)
False
54.
What kind of properties can only be observed when a substance changes into a different substance?
a)
physical properties
b)
chemical properties
55.
Is a firefly lighting up a physical or chemical change?
a)
Physical
b)
Chemical
56.
Is water melting a physical or chemical change?
a)
Physical
b)
Chemical
57.
Is a burning candle a physical or chemical change?
a)
Physical
b)
Chemical
58.
Is getting a tan a physical or chemical change?
a)
Physical
b)
Chemical
59.
Is melting iron a physical or chemical change?
a)
Physical
b)
Chemical
60.
Is sour milk a physical or chemical change?
a)
Physical
b)
Chemical
61.
Is bending copper wire a physical or chemical change?
a)
Physical
b)
Chemical
62.
Is steam a physical or chemical change?
a)
Physical
b)
Chemical
63.
When baking soda and vinegar mix it creates a bubbly mess. Is this a chemical or physical change?
a)
Physical
b)
Chemical
64.
If liquid nitrogen is brought to a boil, is this a physical or chemical change?
a)
Physical
b)
Chemical
65.
Freshly brewed black coffee
a)
Heterogeneous
b)
Homogeneous
66.
Lucky Charms
a)
Heterogeneous
b)
Homogeneous
67.
Air
a)
Heterogeneous
b)
Homogeneous
68.
Milk
a)
Heterogeneous
b)
Homogeneous
69.
Brass (an alloy)
a)
Heterogeneous
b)
Homogeneous
70.
Chicken noodle soup
a)
Heterogeneous
b)
Homogeneous
71.
Jello
a)
Heterogeneous
b)
Homogeneous
72.
Cereal with milk
a)
Heterogeneous
b)
Homogeneous
73.
Oil and vinegar salad dressing
a)
Heterogeneous
b)
Homogeneous
74.
Chocolate chip ice cream
a)
Heterogeneous
b)
Homogeneous
75.
solute + solvent =
a)
solution
b)
equation
76.
The substance being dissolved in a solution.
a)
sands
b)
solute
c)
solvent
d)
alloy
77.
The substance in which a solute is dissolved
a)
sands
b)
solvent
c)
alloy
d)
negative particles
78.
If we are making Kool-aid with sugar, Kool-aid powder, and water, which part is the solvent?
a)
water
b)
powder
c)
sugar
d)
powder and sugar
79.
Lemonade - Water, lemon juice, and sugar
Identify the solute
Identify the solute
a)
water
b)
lemon juice
c)
sugar and lemon juice
80.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
81.
What electron configuration matches an oxygen atom?
a)
1s22s22p63s2, 3p64s23d104p5
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p64s23d1
82.
What is the electron configuration of Sulfur using noble gas method
a)
[Ne]3s1
b)
[Ne]3s23p3
c)
[Ne]3s23p4
83.
What is the electron configuration of Iodine?
a)
[Kr]5s24d105p6
b)
[Kr]5s24d106p6
c)
[Kr]5s25d106p6
d)
None of the above
84.
The electron configuration of an atom is 1s22s22p6. The number of electrons in the atom is
a)
3
b)
6
c)
8
d)
10
85.
What atom matches this electron configuration?
[Xe] 6s24f145d9
a)
Mercury
b)
Gold
c)
Platinum
d)
Thallium
86.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
87.
Which electron configuration belongs to Chlorine (Cl)?
a)
1s2 2s2 2p6 3s2 3p5
b)
1s2 2s2 2p6 3s2 3p6
c)
1s2 2s2 2p6 3s2 3p7
88.
Identify the Electron Configuration for Aluminum (Al)
a)
1s2 2s2 2p6 3s2 3p1
b)
1s2 2s2 2p6 3s2 3p3
c)
1s2 2s2 2p6 3s2 4p1
89.
What is the shorthand electron configuration for Sulfur atom?
a)
[Ar] 3p4
b)
[He] 3s23p4
c)
[Ne] 3s23p4
d)
[Na] 3s23p3
90.
The positive particles of an atom are
a)
electrons
b)
positrons
c)
neutrons
d)
protons
91.
the central region of an atom where its neutrons and protons are is its
a)
nucleus
b)
electron cloud
c)
core
d)
center
92.
electrons have this type of charge?
a)
negative
b)
positive
c)
neutral
93.
What is the mass of an atom if it has 11 protons, 12 neutrons, and 11 electrons?
a)
22
b)
11
c)
34
d)
23
94.
What are the 3 particles that make-up the atom?
a)
protons, neutrons, and isotopes
b)
neutrons, isotopes, and electrons
c)
positives, negatives, and electrons
d)
protons, neutrons, and electrons
95.
The particles that are found in the nucleus of an atom are
a)
neutrons and electrons
b)
electrons only
c)
protons and neutrons
d)
protons and electrons
96.
The atomic number of an elements is the total number of which particles in the nucleus?
a)
neutrons
b)
protons
c)
electrons
d)
protons and electrons
97.
Contributes basically no mass to an atom.
a)
protons
b)
neutrons
c)
electrons
d)
protons and neutrons
98.
An atom has 5 protons, 7 neutrons and 5 electrons. What is the mass number of the atom?
a)
5
b)
7
c)
2
d)
12
99.
How many protons are in this element?
a)
79
b)
196
c)
117
d)
Cannot be determined
100.
Subatomic particle that determines the identity of the atom
a)
proton
b)
nucleus
c)
electron
d)
neutron
101.
A positive ion is called a...
a)
Posion
b)
Anion
c)
Cation
d)
Proton
102.
What are ionic bonds?
a)
Valence electrons transferred between atoms
b)
Inner most electrons transferred between atoms
c)
Sharing electrons
103.
Atoms that gain electrons become...
a)
negatively charged
b)
positively charged
c)
remain neutrally charged
d)
21
104.
How many valence electrons does Lithium have?
a)
1
b)
2
c)
3
d)
4
105.
How many valence electrons does magnesium have?
a)
1
b)
2
c)
12
d)
24
106.
How many valence electrons does Neon have?
a)
18
b)
8
c)
10
d)
2
107.
How many valence electrons do all elements in the Carbon family have?
a)
6
b)
5
c)
4
d)
7
108.
Ionic bonds occur between...
a)
A metal and a nonmetal
b)
Two metals
c)
Two nonmetals
d)
Two gases
109.
What bond involves the sharing of electrons?
a)
Ionic
b)
Transitive
c)
Covalent
110.
What types of elements are involved in a covalent bond?
a)
A nonmetal and a metal
b)
Two nonmetals
c)
Gases Only
d)
Metalloids Only
111.
What would the correct chemical formula be for Magnesium + Chlorine?
a)
MgCl
b)
MgCl2
c)
Mg2Cl
d)
2MgCl
112.
What is the correct Lewis Dot Structure for ammonia NH3
a)
b)
c)
d)
113.
Which is the correct molecular structure for carbon dioxide?
a)
b)
c)
d)
114.
Which of the following is the correct Lewis dot structure for the molecule fluorine (F2)?
a)
A
b)
B
c)
C
d)
D
115.
CCl4 has how many double bonds?
a)
0
b)
1
c)
2
d)
3
116.
In HCN (Carbon is usually the central atom) what kind of bond is between the C and N
a)
Single
b)
Double
c)
Triple
117.
How many electrons should Lithium have around its Lewis dot model?
a)
1
b)
2
c)
3
d)
4
118.
What's a valence electron?
a)
electrons in the second energy level
b)
electrons in the outermost energy level
c)
the atomic number
d)
electrons in the first level
119.
?
a)
Boron
b)
Carbon
c)
Nitrogen
d)
Lithium
120.
?
a)
Lithium
b)
Boron
c)
Carbon
d)
Neon
121.
?
a)
Helium
b)
Hydrogen
c)
Argon
d)
Silver
122.
This could be the dot diagram of
a)
Mg
b)
Cl
c)
C
d)
O
123.
This is a correct dot diagram for nitrogen (N)
a)
true
b)
false
124.
This is a correct dot diagram for neon (Ne)
a)
true
b)
false
125.
Which of these is incorrect?
a)
b)
126.
Name Al2S3
a)
Aluminum sulfide
b)
Dialuminum trisulfide
c)
ammonium sulfide
d)
aluminum (II) sulfice
127.
Name the following ionic compound: Cr(NO2)3
a)
chromium nitrite
b)
chromium nitride
c)
chromium (III) nitride
d)
chromium (III) nitrite
128.
Name the following ionic compound: FeCl3
a)
iron chloride
b)
iron (III) chloride
c)
iron chlorate
d)
iron (III) chlorate
129.
Name the following ionic compound: Cs2S
a)
cesium sulfide
b)
cesium sulfate
c)
cesium (II) sulfate
d)
cesium (II) sulfide
130.
Classify the following compound: OF2
a)
Covalent
b)
Ionic/fixed
c)
Ionic/variable
131.
P2O5
a)
Phosphorus Oxide
b)
Pentaphosphorus Dioxide
c)
Diphosphorous pentoxide
d)
Phosphoric Oxygen
132.
The chemical formula of sulfur hexabromide is
a)
SBr₆
b)
S₆Br
c)
S(VI)Br
d)
S6Br
133.
SeF4
a)
Tetraselenium fluoride
b)
Selenium Fluoride
c)
Selenium tetraflouride
d)
Selenium (IV) Fluoride
134.
what is the name of CCl4?
a)
carbon tetrachloride
b)
monocarbon tetrachloride
c)
tetracarbon monochloride
d)
carbon chloride
135.
What is the name of the compound SO2
a)
Monosulfate oxide
b)
Sulfur Dioxide
c)
Monosulfur dioxide
136.
What is the name of the compound P2O5
a)
Pentaphosphorus dioxide
b)
Phoshphide dioxide
c)
Diphosphorus pentoxide
137.
What is the name for MgF2 ?
a)
magnesium fluoride
b)
manganese Phosphide
c)
magnesium(III) fluoride
d)
magnesium fluoride(II)
138.
What is the charge on the calcium ion?
a)
1+
b)
2+
c)
2-
d)
1-
139.
Which is a transition metal?
a)
cesium
b)
iron
c)
helium
d)
tellurium
140.
Name the compound CaF2
a)
calcium difluoride
b)
calcium (II) fluoride
c)
calcium fluorite
d)
calcium fluoride
141.
Select the correct formula for sulfur hexachloride
a)
S2Cl6
b)
S6Cl
c)
SCl6
d)
SF6
142.
NaBr
a)
Bromide sodide
b)
Sodium bromide
c)
Sodium bromate
d)
Sodium bromite
143.
What is the formula for Potassium Fluoride?
a)
KF
b)
K2F
c)
KF2
d)
none of the above
144.
C3O8
a)
Tricarbon Octoxide
b)
Carbon Octoxide
c)
Carbon Oxide
d)
Carbon (VIII) Oxide
145.
H2O
a)
Dihydrogen Monoxide
b)
Hydrogen Oxide
c)
Hydrogen Monoxide
d)
Water
146.
Zn3P2
a)
Zinc Phosphide
b)
Zinc (II) Phosphide
c)
Trizinc Diphosphide
d)
Zinc Phosphate
147.
Name the following ionic compound: Cs2S
a)
cesium sulfide
b)
cesium sulfate
c)
cesium (II) sulfate
d)
cesium (II) sulfide
148.
SeF4
a)
Tetraselenium fluoride
b)
Selenium Fluoride
c)
Selenium tetraflouride
d)
Selenium (IV) Fluoride
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