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Worksheets

2023 Midterm Review

Total questions: 80

Worksheet time: 1hrs 15mins

Name
Class
Date
1.

Matter is

a)

Anything that is heavy

b)

Everything in the universe

c)

Anything that has mass and takes up space (volume)

d)

Anything that has no mass, but takes up space

2.

Matter that has an indefinite shape and an indefinite volume is a

a)

solid

b)

liquid

c)

gas

3.

Select ALL that apply. What can be classified as a pure substance?

a)

Homogeneous Mixture

b)

Heterogeneous Mixture

c)

Element

d)

Solution

e)

Compound

4.

Select ALL the homogeneous mixtures.

a)

Chicken Noodle Soup

b)

Koolaid

c)

Black Coffee

d)

A mixture of oil and water

e)

Chopped garden salad

5.

Air is considered

a)

an element

b)

a compound

c)

a heterogeneous mixture

d)

a homogeneous mixture

6.

Any material consisting of only one type of atom is classified as what?

a)

element

b)

compound

c)

homogeneous mixture

d)

heterogeneous mixture

7.

What is considered a compound?

a)

A

b)

B

c)

C

d)

D

e)

Both A & B

8.

What is NOT considered a physical property?

a)

color

b)

density

c)

ability to dissolve in water

d)

conductivity

e)

reactivity

9.

Select ALL that apply. Which of the following are chemical changes?

a)

Bleaching your hair

b)

Cutting a piece of paper

c)

Melting butter

d)

Burning Leaves

e)

Frying an egg

10.

Select ALL that apply. Which are physical changes?

a)

Boiling water

b)

Lighting magnesium on fire

c)

Rusting bicycle

d)

dissolving salt in water

e)

exploding fireworks

11.

How many neutrons does Iron - 54 have?

a)

26

b)

28

c)

80

d)

13

12.

What element is this?

a)

Beryllium

b)

Boron

c)

Lithium

d)

Silicon

13.

What element is this?

a)

Beryllium

b)

Nitrogen

c)

Lithium

d)

Neon

14.

What subatomic particle has a positive charge?

(a)  

15.

What subatomic particle has a negative charge?

a)

Neutron

b)

Negatron

c)

Electron

d)

Positron

16.
Which sub-atomic particle does not go in nucleus?
a)
proton
b)
neutron
c)
electron
17.
Changing which sub-atomic particle changes the element?
a)
proton
b)
neutron
c)
electron
18.
Changing which subatomic particle DOES NOT change the mass?
a)
proton
b)
neutron
c)
electron
19.
Changing which subatomic particle changes the mass but not the charge?
a)
proton
b)
neutron
c)
electron
20.
Changing which subatomic particle changes the mass AND the charge?
a)
proton
b)
neutron
c)
electron
21.
Where can you find a proton in an atom?
a)
nucleus
b)
orbital
c)
cloud
d)
rings
22.
How many protons does it take to make one Hydrogen atom?
a)
1
b)
2
c)
4
d)
6
23.

Two isotopes of Beryllium would not have the same number of which subatomic particle?

a)

nucleus

b)

electrons

c)

neutrons

d)

protons

24.
What is the name of this element?
a)
Helium
b)
Hydrogen
c)
Argon
d)
Silver
25.

What element is represented in this Bohr Model?

a)

Carbon

b)

Hydrogen

c)

Aluminum

d)

Lithium

26.
What is the name of this element?
a)
Lithium
b)
Boron
c)
Carbon
d)
Neon
27.
What is the name of this element?
a)
Beryllium
b)
Boron
c)
Barium
d)
Bromine
28.
What is the mass number of this atom?
a)
1
b)
3
c)
4
d)
7
29.
What is the atomic number of this atom?
a)
2
b)
4
c)
6
d)
none of the above
30.
What group does this element belong to?
a)
Group 1: Alkali metals
b)
Group 18: Noble Gases
c)
Group 2: Alkaline-Earth Metals
d)
Group 17: Halogens
31.
How many valence electrons?
a)
2
b)
3
c)
5
d)
10
32.
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
33.

A horizontal row in the periodic table

a)

Period

b)

Group

c)

Atomic Number

d)

Column

34.

Which elements will have similar properties?

a)

H, He, Li

b)

B, C, N

c)

N, P, As

d)

Al, Zn, Ag

35.

Which elements are in the same group?

a)

F, S, As

b)

Mg, K, Sr

c)

Be, Mg, Ca

d)

B, Si, As

36.

Match the name of the special families of elements to their group number

a)

Group 18

1.

Noble Gasses

b)

Group 1

2.

Alkali Metals

c)

Group 17

3.

Halogens

d)

Group 2

4.

Alkaline Earth Metals

e)

Groups 3-12

5.

Transition Metals

37.

The name of FeCl₂ is

a)

iron chloride

b)

iron (II) chloride

c)

iron (I) chloride

d)

iron dichloride

38.

LiBr is called

a)

lithium bromine

b)

lithium (I) bromine

c)

lithium bromide

d)

lithuim (I) bromide

39.

Which of the following combinations would need roman numerals in the name?

a)

potassium + fluorine

b)

beryllium + oxygen

c)

boron + iodine

d)

lead + oxygen

40.

What is the name of the compound Na2(SO4)?

a)

Sodium sulfate

b)

Sodium sulfide

c)

Sodium sulfite

d)

Sodium sulfuroxide

41.
What is the correct formula for Sodium Oxide?
a)
NaO
b)
NaO2
c)
Na2O
d)
Na2O2
42.

What is the correct molecular formula for barium hydroxide?

a)

Ba(OH)2

b)

Ba2OH

c)

BaOH

d)

Ba2OH

43.
What is the formula for copper(I) sulfate?
a)
CuSO3
b)
CuSO4
c)
Cu2SO3
d)
Cu2SO4
44.

Which of these combinations is an ionic compound made of?

a)

Metal and Metal

b)

Nonmetal and Nonmetal

c)

Metal and Nonmetal

d)

Cation and Cation

45.

When naming ionic compounds with transition metals you need to include roman numerals to show the _____ of the metal..

a)

atomic number

b)

mass number

c)

charge

d)

ionization energy

46.
Which of the following is the correct name for the chemical formula Ca(NO2)2?
a)
cadmium nitride
b)
calcium nitrate
c)
calcium nitrite
d)
cadmium nitrite
47.

A covalent bond is formed when two atoms ____ electrons

a)

share

b)

lose

c)

transfer

d)

gain

48.

Which is the correct name for the compound N2O3

a)

Dinitrogen triple oxide

b)

Nitrogen oxide

c)

Dinitrogen trioxide

d)

Trioxide nitrogen

49.

Sulfur Hexachloride is represented by which chemical formula?

a)

Cl6S

b)

SCl6

c)

S6Cl6

d)

ClS6

50.

What is the name of

N4O9

a)

nitrogen monoxide

b)

tetranitride nonoxide

c)

tetranitrogen nonoxide

d)

tetranitrogen decoxide

51.

As4O10

a)

arsenic (IV) oxide

b)

quadarsenic decoxide

c)

tetraarsenic decoxide

d)

arsenic decoxide

52.

Disilicon hexabromide covalent formula

a)

K2Br6

b)

Si6Br2

c)

Si2Br6

d)

Se2Br6

53.
What is the proper name for S2O2?
a)
Sulfur oxide
b)
Sulfur dioxide
c)
sulfur (II) oxide
d)
disulfur dioxide
54.

NO

a)

Mononitrogen monoxide

b)

nitrogen oxide

c)

nitrogen monoxide

d)

mononitrogen oxide

55.

What is the chemical formula for dinitrogen heptachloride?

a)

N2Cl7

b)

2N7Cl

c)

2NCl7

d)

N2Cl5

56.

Match the following prefixes with the correct number

a)

Hexa

1.

6

b)

Hepta

2.

7

c)

Nona

3.

9

d)

Tetra

4.

4

e)

Deca

5.

10

57.

What is mass?

a)

The amount of space an object takes up

b)

The amount of matter in a given space

c)

The amount of matter in an object

58.

What is volume?

a)

The amount of space an object takes up

b)

The amount of matter in a given space

c)

The amount of matter in an object

59.

What is density?

a)

The amount of space an object takes up

b)

The amount of matter in a given space

c)

The amount of matter in an object

60.

What is the unit for mass?

a)

Grams (g)

b)

Milliliters (mL)

c)

Grams/Milliliter (g/mL)

61.

What is the unit for volume?

a)

Grams (g)

b)

Milliliters (mL)

c)

Grams/Milliliter (g/mL)

62.

What is the unit for Density?

a)

Grams (g)

b)

Milliliters (mL)

c)

Grams/Milliliter (g/mL)

63.

Why does oil float on top of the water in an oil spill?

a)

Oil has the same density of water

b)

Oil is less dense than water

c)

Oil is more dense than water

64.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
65.
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
66.
A crayon has a mass of 10g and volume of 5 mL. What is the density?
a)
30 g/mL
b)
15 g/mL
c)
1 g/mL
d)
2 g/mL
67.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1, 
d)
4, 3, 1, 2
68.

Frank has a paper clip. It has a mass of 9g and a volume of 3cm3. What is its density?

a)

3 g/cm3

b)

0.33 g/cm3

c)

27 g/cm3

d)

39 g/cm3

69.
A student knows the mass of an object. What other variable does the student need to know to calculate the object's density?
a)
Color
b)
Weight
c)
Volume
d)
Length
70.

A mechanical pencil has the density of 3.0 g/mL. The volume of the pencil is 15.8 mL. What is the mass of the pencil?

a)

47.4 g

b)

50 g

c)

0.190 g

d)

5.27 g

71.

A screwdriver has the density of 5.5 g/mL. It has a mass of 2.3 g. What is the screwdriver’s volume?

a)

2.4 mL

b)

0.42 mL

c)

12.65 mL

d)

0.42 g

72.

A student has a rectangular block. It is 2 cm wide, 3 cm tall, and 25 cm long. It has a mass of 601 g. What is the density of the block? (V = L x W x H)

a)

150 cm3

b)

4 g/cm3

c)

0.25 g/cm3

d)

150 g/cm3

73.
Which liquid is the least dense?
a)
oil
b)
water
c)
syrup 
d)
plastic bottle
74.

Is an ice cream cone melting a physical or chemical change?

a)

Physical

b)

Chemical

75.

Is toasting bread a physical or chemical change?

a)

Physical

b)

Chemical

76.

Match the following

a)

Pure Substance

1.

Matter that always has the exact same composition.

b)

Element

2.

A substance that cannot be broken down into simpler substances

c)

Compound

3.

A substance that is made of 2 or more simpler substances.

d)

Heterogeneous

4.

The parts of this mixture are noticeably different.

e)

Homogeneous

5.

The parts of this mixture are indistinguishable from one another.

77.

What makes something a compound? Mark all that apply.

a)

Different atoms or elements are not chemically bonded

b)

An element contains only one kind of atom.

c)

Compounds contain 2 or more elements.

d)

Different atoms or elements must be chemically bonded.

e)

Based on the size of their largest particles.

78.

Match the following

a)

Physical Property

1.

Any characteristic of a material that can be observed or measured.

b)

Melting Point

2.

The temperature at which a substance turns from solid into liquid.

c)

Viscosity

3.

A resistance to flowing.

d)

Conductivity

4.

A material's ability to allow heat to flow.

e)

Malleability

5.

The ability of a solid to be hammered without shattering.

79.

When can chemical properties be observed? Mark all that apply.

a)

When substances are changing into other substances.

b)

When there is a change in color, the production of a gas,

or the formation of a precipitate.

c)

During a change of form or a substance.

d)

When a substance has a color or smell.

80.

How do chemical changes differ from

physical changes? Mark all that apply

a)

Physical changes are when substances are changing into other substances, chemical changes are not.

b)

Physical changes are change in color, the production of a gas,

or the formation of a precipitate.

c)

Chemical change produces new

substances, Physical change does not.

d)

Color changes, gases, heat, and new substances result from chemical changes not physical changes.

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