wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Chemistry Midterm Review

Total questions: 91

Worksheet time: 2hrs 47mins

Name
Class
Date
1.

Which particle has a mass so small, it is considered to be 0 amu?

a)

proton

b)

hydrogen nucleus

c)

neutron

d)

electron

2.

What quantity is the same among atoms of the same element?

a)

mass number

b)

atomic number

c)

number of neutrons

d)

number of nucleons

3.

An atom that has 8 protons and 10 neutrons is an isotope of the element

a)

nitrogen

b)

oxygen

c)

fluorine

d)

neon

4.
A mixture that is NOT evenly distributed is called ....
a)
Compounded
b)
Homogenous
c)
Heterogenous
d)
Salty
5.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
6.
What units can be used to express density?
a)
g/mL
b)
grams
c)
millimeters
d)
milliliters
7.
A bar of copper has a mass of 216g and a volume of 24cm3. What is the density of copper?  
a)
9g/cm3
b)
.11g/cm3
c)
5184g/cm3
d)
322mL
8.
What kind of properties can only be observed when a substance changes into a different substance?
a)
physical properties
b)
chemical properties
9.
Properties that can be observed without changing the identity of the substance.
a)
Physical
b)
Chemical
10.
Example for chemical property
a)
color
b)
hardness
c)
toxicity
d)
solubility
11.
Example for physical property
a)
melting point
b)
flammability
c)
reactivity 
d)
combustion
12.
Example for chemical property
a)
malleability
b)
texture
c)
combustion
d)
sour taste
13.
Isotopes of the same element have different ____________. 
a)
 numbers of protons  
b)
numbers of electrons
c)
 symbols 
d)
numbers of neutrons
14.
The atomic number of an atom or ion refers to the number of:
a)
neutrons
b)
protons
c)
nucleons
d)
electrons
15.
How many electrons does potassium K contain? (click to see image)
a)
19
b)
39
c)
20
d)
40
16.
How many neutrons does the isotope of lithium have?
a)
8
b)
3
c)
4
d)
5
17.
which explanation of this notation is correct?
a)
 12 is proton #
b)
6 tells you there are 6 neutrons
c)
6 tells you there are 6 protons
d)
12 is not a mass # here
18.

What do these isotopes of carbon all have in common?

a)

neutrons & mass number

b)

atomic number and neutrons

c)

atomic number and electrons

d)

protons, atomic number, and mass number

19.
Which particles are found in the nucleus
a)
electrons and protons
b)
neutrons and protons
c)
neutrons and electrons
d)
footballs and soccer balls
20.

What element is represented in this Bohr Model?

a)

Carbon

b)

Hydrogen

c)

Aluminum

d)

Lithium

21.
What is the name of this element?
a)
Lithium
b)
Boron
c)
Carbon
d)
Neon
22.

When can atoms emit photons?

a)

When the electron is in the ground state

b)

When the electron is in the excited state

c)

When an electron is going from the ground state to the excited state

d)

When an electron is going from the excited state to the ground state

23.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
24.
What atom matches this electron configuration?
1s22s22p63s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
25.
What electron configuration matches an oxygen atom?
a)
1s22s22p63s2, 3p64s23d104p5
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p64s23d1
26.

If an atom has no charge, which of the following must be true?

a)

It has more neutrons than protons or electrons.

b)

There are only neutrons inside the atom.

c)

Its number of protons is equal to its number of electrons.

d)

The neutrons in the atom outnumber the electrons and protons.

27.
Where are the metals on the Periodic Table?
a)
To the left
b)
In the upper right hand corner
c)
On the zigzag line
d)
At the bottom
28.
Where are the nonmetals on the Periodic Table?
a)
To the left
b)
In the upper right hand corner
c)
On the zigzag line
d)
At the bottom
29.

Which color has the longest wavelength?

a)

Purple

b)

Red

c)

Green

d)

Blue

30.

According to the Electromagnetic Spectrum, what has a greater frequency than visible light?

a)

Microwaves

b)

UV rays

c)

Radiowaves

31.

How many nuetrons are in the atom Ag-109?

a)

62

b)

109

c)

47

32.

A substance that is tightly packed together is most likely in what state of matter?

a)

solid

b)

liquid

c)

gas

33.
How many significant figures does the following number have: 0.002040
a)
6
b)
4
c)
3
d)
2
34.
How many significant figures does the following number have: 0.998005
a)
9
b)
10
c)
6
d)
5
35.
What is 0.658 rounded to 1 significant figure?
a)
0
b)
0.66
c)
0.6
d)
0.658
36.

Solve. Round using SigFig math rules.

12.5 mL + 20.05 mL + 2.69 mL

a)

35 mL

b)

35.2 mL

c)

35.24 mL

d)

35.240 mL

37.

Solve. Round using SigFig math rules.

103 cm x 11 cm

a)

11 cm2

b)

1100 cm2

c)

1130 cm2

d)

1133 cm2

38.

Gold is an example of a __________________.

a)

pure substance

b)

solvent

c)

mixture

d)

solution

39.

Air is an example of a ____________________.

a)

pure substance

b)

mixture

c)

solvent

d)

solution

40.
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
41.
An atom has 10 protons and a mass of 18. It has __ neutrons
a)
10
b)
18
c)
28
d)
8
42.
The relationship between wavelength and frequency is λ=c/f.  Calculate the wavelength of light that has a frequency of 5.2 x 1012 1/s. The speed of of light is 3.0x 108 m/s.
a)
5.8 x 10 -5 m
b)
5.8 x 10 -7 m
c)
5.19 x 10 14 m
d)
1.56 x 10 23 m
43.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
44.

what group number are the noble gases

a)

17

b)

18

c)

14

d)

15

45.

Which element is found in group 2, period 6?

a)

Oxygen (O)

b)

Barium (Ba)

c)

Selenium (Se)

d)

Carbon (C)

46.

Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock? density = mass / volume

a)

7 mL

b)

7 g/cm3

c)

28 g/cm3

d)

1/7 g/cm3

47.
What does 12.011 represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
48.
Of the three liquids shown in the picture, which has the highest density?
a)
The yellow one
b)
The red one
c)
The blue one
49.
How many significant figures does the following number have: 2001800.
a)
1
b)
4
c)
6
d)
7
50.
How many Significant Figures in the number below?
4.56 x 103
a)
5
b)
4
c)
6
d)
3
51.
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
52.
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
53.
What is the volume of Object X?
a)
10.0 cm3
b)
15.0 cm3
c)
20.0 cm3
d)
25.0 cm3
54.
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
55.
The length of a desk is 3.5 feet. How many centimeters is the length? 
(there are 2.54 cm in an inch)
a)
60
b)
120.23
c)
106.68
d)
117.12
56.

In an experiment where the only variable you change is the temperature, temperature is the

a)

independent variable.

b)

dependent variable.

57.

What is the best description of an experiment?

a)

A question or problem that can be solved through experimentation.

b)

What you perceive with your senses.

c)

An educated prediction to the answer of a stated problem, based on research and prior knowledge.

d)

An test / situation set up to observe and collect data on how something happens, or to test the hypothesis.

58.
Beryllium is in group number______.
a)
Group 2
b)
Group 3
c)
Group 4
d)
Group 7
59.
The period for Bromine is ___________.
a)
3
b)
2
c)
4
60.

What are the vertical columns on the periodic table called?

a)

groups

b)

periods

c)

protons

d)

valence electrons

61.
What statement is true about ALL of the elements in Group 18 OR Group 8A?
a)
They ALL have 6 valence electrons.
b)
They ALL are gases at room temperature.
c)
They ALL react easily with other elements.
d)
They ALL form +2 charges.
62.

How many energy levels does a sodium (Na) atom have?

a)

1

b)

2

c)

3

d)

11

63.

Anything that has mass and takes up space.

a)

Volume

b)

Matter

c)

Mass

d)

Density

64.

A ________________ is a subatomic particle that has mass nearly equal to that of a proton but it carries no electrical charge.

a)

Neutron

b)

Proton

c)

Electron

d)

Ion

65.

What is the correct standard notation for 3.52x10^4

a)

3520

b)

352

c)

35200

d)

.352

66.

What is the correct standard notation for 2.04x10^-1

a)

204

b)

2.04

c)

.024

d)

0.204

67.
What is measured with a graduated cylinder?
a)
Passage of time
b)
Distance from one thing to another
c)
Weight of an object
d)
Volume of liquid
68.
490,000 g =____ kg
a)
490
b)
49
c)
4,900
d)
0.49
69.
Convert 300 meters to centimeters:
a)
3000 cm
b)
0.3 cm
c)
30,000 cm
d)
3 cn
70.
Metric (SI) Unit for liquid volume
a)
millimeters, meters, centimeters
b)
grams, kilograms, milligrams
c)
milliliters, liters
d)
Newtons
71.
What is the correct SI unit for mass?
a)
Kilograms
b)
newtons
c)
pounds
d)
grams
72.

Calculate the average atomic mass of the element from the following isotopes and percent abundances

a)

24.32 amu

b)

25.00 amu

c)

28.88 amu

d)

21.43 amu

73.

The imaginary element Elginium has 2 stable isotopes. Isotope 1 has an atomic mass of 77.5 amu and a percent abundance of 80.0%. Isotope 2 has an atomic mass of 84.2 amu and a percent abundance of 20.0%. What is the average atomic mass of the not real element Elginium?

a)

78.84 amu

b)

84.2 amu

c)

65.8 amu

d)

69.3 amu

74.

What is the correct shortened electron configuration for Bromine?

a)

[Ar] 4s2 3d10 4p5

b)

[Kr] 4p5

c)

[Ar] 4s2 3d10 4p6 5s1

d)

[Kr] 4s2 3d10

75.

What is the most number of energy levels an atom can have?

a)

7

b)

8

c)

14

d)

10

76.

What sublevel is this?

a)

p

b)

d

c)

s

d)

f

77.

Which is the correct energy level diagram for sodium Na?

a)
b)
c)
d)
78.
Which variable is graphed on the Y-axis?
a)
Independent variable
b)
Dependent variable
c)
Control Group
d)
Controlled Variable
79.
A student investigated to find out how temperature affects the amount of salt that will dissolve in water. He conducted three trials. Which is the best label for the x-axis?
a)
Trial
b)
Amount of Water (milliliters)
c)
Water Temperature (Celsius)
d)
Amount of Salt (milligrams)
80.
Which of the following is the correct longhand electron configuration for sulfur?
a)
1s2 2s2 2p4
b)
1s2 2s2 2p6 3s2 3p6
c)
1s2 2s2 2p6 3s2 3p4
d)
1s2 2s2 2p6
81.
Write the shorthand electron configuration for chlorine
a)
[Ar]
b)
[Ne] 2s2 3p5
c)
[He] 2s2 2p6 3s2 3p5
d)
[Ne] 3s2 3p5
82.
Nitrogen has an average atomic mass of 14.007. Predict the nitrogen isotope that you would find the greatest amount of in the universe
a)
N-12
b)
N-13
c)
N-14
d)
N-15
83.

Which of the following is NOT an SI base unit?

a)

second

b)

kilogram

c)

degree Celsius

d)

meter

84.

What is the proper SI unit for volume?

a)

cm3

b)

m

c)

g

d)

L

85.
Change from standard form to scientific notation: 12,000,000
a)
12.0  x  107
b)
0.12  x  107
c)
1.2  x  106
d)
1.2  x  107
86.
Change from standard form to scientific notation:  0.000398
a)
39.8  x  10-5
b)
3.98  x  10-5
c)
3.98  x  10-4
d)
39.8  x  10-6
87.

What do atoms of the same periodic group have in common?

a)

They have the same atomic number.

b)

They have the same chemical symbols.

c)

The have similar chemical properties.

d)

They have the same atomic mass.

88.
Which element is pictured?
a)
neon
b)
fluorine
c)
magnesium
d)
argon
89.

What is the electron configuration of Iodine (atomic #53)?

a)

[Kr]5s24d105p6

b)

[Kr]5s24d106p6

c)

[Kr]5s25d106p6

d)

None of the above

90.
What takes place when a liquid changes to a gas?
a)
condensation
b)
melting
c)
evaporation
d)
freezing
91.
What takes place when a liquid changes to a solid?
a)
condensation
b)
melting
c)
evaporation
d)
freezing

Similar Resources on Wayground

Biogeochemical Cycles

90 questions

Biogeochemical Cycles

quiz

Worksheet

•

9th - 12th Grade

Unit 1 - 3 Chem A Review

91 questions

Unit 1 - 3 Chem A Review

quiz

Worksheet

•

10th Grade

Cells & Tissues

94 questions

Cells & Tissues

quiz

Worksheet

•

10th Grade - University

Chemistry final

91 questions

Chemistry final

quiz

Worksheet

•

10th Grade - University

Chesapeake Bay Unit Exam

88 questions

Chesapeake Bay Unit Exam

quiz

Worksheet

•

9th - 10th Grade

Pulmonary vocab

90 questions

Pulmonary vocab

quiz

Worksheet

•

10th Grade

EOC Biology Review

94 questions

EOC Biology Review

quiz

Worksheet

•

9th - 12th Grade