Free Printable Chemistry Practice Quiz Feb 2022

1.

Which of the following represents an element?

a)

H₂O

b)

H₂

c)

NaCl

d)

CaCO₃

2.

What is water (H₂0)?

a)

element

b)

compound

c)

mixture

3.

What is gold (Au)?

a)

element

b)

compound

c)

mixture

4.

What is sugar (C₆H₁₂O₆)?

a)

element

b)

compound

c)

mixture

5.

The pH scale is a range from:

a)

1-7

b)

0-14

c)

1-5

d)

1-20

6.

A(n) ______ is a substance with a pH less than 7

a)

Acid

b)

Alkaline

c)

Base

d)

Buffer

7.

A(n) _______ is a substance with a pH greater than 7.

a)

Base

b)

Acid

c)

Buffer

d)

Water

8.

What is the only substance with a neutral pH of 7?

a)

Milk

b)

Orange Juice

c)

Water

d)

Blood

9.

A solution with a pH of 3.6 would be...

a)

Acid

b)

Base

c)

Neutral

d)

Acid and Base

10.

All matter consists of particles called

a)

Units

b)

Atoms

c)

Cubes

d)

Pints

11.

Each electron has a _________________ electrical charge

a)

Positive

b)

Negative

c)

Neutral

d)

Shocking

12.

Each neutron has an electrically_________________charge

a)

Positive

b)

Negative

c)

Neutral

d)

Shocking

13.

Each proton has a _______________ electrical charge

a)

Positive

b)

Negative

c)

Neutral

d)

Shocking

14.

A proton has what charge?

a)

Positive

b)

Negative

c)

Neutral

15.

A neutron has what charge?

a)

Positive

b)

Negative

c)

Neutral

16.

Where can protons and neutrons be found in the atom?

a)

On orbitals

b)

On the outside ring

c)

Inside the nucleus

d)

Next to the nucleus

17.

How can you determine how many protons an element has?

a)

Loot at the atomic weight

b)

Look at the atomic number

c)

Subtract the atomic weight from the atomic number

d)

Add the atomic weight to the atomic number

18.

How many protons does Potassium (K) have?

a)

19

b)

39

c)

20

d)

58

19.

What two subatomic particle charges cancel each other out?

a)

Protons and neutrons

b)

protons and electrons

c)

electrons and neutrons

d)

None of the above

20.

The elements / compounds on the LEFT side of the yield arrow are known as

a)

Products

b)

Metals

c)

Reactants

d)

Chemicals

21.

The elements / compounds on the RIGHT side of the yield arrow are known as

a)

Reactants

b)

Gases

c)

Chemicals

d)

Products

22.

What are the reactants of this equation?

a)

$N_2+H_2$

b)

$2NH_3$

23.

$2Al^{ }\ +\left(SO_4^{ }\right)\ \rightarrow\ Al_2\left(SO_4\right)_3$

What are the products of this equation?

a)

$2Al^{ }\ +\left(SO_4^{ }\right)$

b)

$Al_2\left(SO_4\right)_3$

24.

$2Al^{ }\ +\left(SO_4^{ }\right)\ \rightarrow\ Al_2\left(SO_4\right)_3$

What are the REACTANTS of this equation?

a)

$2Al^{ }\ +\left(SO_4^{ }\right)$

b)

$Al_2\left(SO_4\right)_3$

25.

How many protons does the element in this image contain?

a)

14

b)

7

c)

15

d)

18

26.

The mass of an atom come from the...

a)

electrons

b)

nucleus

c)

protons

d)

empty space

27.

What is the atomic mass for the element in this image?

a)

14

b)

7

c)

15

d)

18

28.

Electrons are located in the

a)

electron cloud

b)

nucleus

c)

molecule

d)

circles

29.

How many Hydrogen atoms are in 4H₂O?

a)

6

b)

8

c)

2

d)

4

30.

How many Oxygen atoms are in H₂O?

a)

1

b)

2

c)

0

d)

4

31.

How many Magnesium atoms are in 10MgCl₂?

a)

10

b)

5

c)

20

32.

How many elements are in C₆H₁₂O₆?

a)

1

b)

2

c)

3

d)

4

33.

How many atoms are there TOTAL in H₂SO₄?

a)

6

b)

5

c)

7

d)

3

34.

How many Sodium atoms are in 6NaCl?

a)

1

b)

12

c)

6

35.

How many Nitrogen atoms are in (NH₄)₂CrO₄?

a)

1

b)

2

c)

8

d)

16

36.

If you describe a substance as being corrosive, you have given a __________ property of that substance

a)

Chemical

b)

Large

c)

Physical

d)

Thermal

37.

Choose the one that is a chemical property

a)

Magnetism

b)

Size

c)

Color

d)

Reactivity with water

38.

Flammability is the ability of a substance to _________

a)

Burn

b)

Transfer heat

c)

Transfer electricity

d)

Cook

39.

Choose whether the following is a physical or chemical property: Magnetic

a)

Physical

b)

Chemical

40.

When ice melts, it is changing its state of matter. State of matter is a ---

a)

physical property

b)

chemical property

41.

Color is a ---

a)

Physical property

b)

Chemical property

42.

any characteristic of matter that you can observe without changing the identity of the substances that make it up

a)

physical property

b)

chemical property

c)

periodic table

d)

conglomerate

43.

the ability of a type of matter to burn easily

a)

flammability

b)

rust

c)

solubility

d)

conductivity

44.

Is burning wood a chemical or physical change?

a)

chemical

b)

physical

45.

Is glass breaking a chemical or phyiscal change?

a)

chemical

b)

physical

46.

Is hammering wood together to build a house a chemical or physical change?

a)

chemical

b)

physical

47.

Is a a rusting bicycle a chemical or physical change?

a)

chemcial

b)

physical

48.

Is melting butter for popcorn a chemical or physical change?

a)

chemical

b)

physical

49.

Is spoiling food a physical or chemical change?

a)

phyiscal

b)

chemical

50.

Is making salt water to gargle with a physical or chemical change?

a)

physical

b)

chemical

51.

Is moldy cheese a chemical or physical change?

a)

chemical

b)

physical

52.

a copper penny turning greenish after a few years.

a)

Chemical Change

b)

Physical Change

53.

A change in the size, shape, or state of matter.

a)

chemical change

b)

physical change

c)

chemical reaction

d)

electron change

54.

Baking a cake by mixing flour, sugar, chocolate powder, eggs, and milk, and then heating them in the oven.

a)

Chemical Change

b)

Physical Change

55.

A change in which NEW substances are formed.

a)

Chemical change

b)

Physical change

c)

Casual change

d)

Formal change

56.

Which of the following is NOT an example of chemical change?

a)

sour milk

b)

burning wood

c)

breaking a pencil

d)

rust

57.

Which of the following IS a physical change?

a)

Getting a haircut

b)

Rusty metal

c)

sour milk

d)

A compound

58.

UP and DOWN columns on the periodic table are

a)

groups

b)

periods

59.

SIDE TO SIDE rows on the periodic table are

a)

groups

b)

periods

60.

periods on the periodic table go what direction

a)

side to side

b)

up and down

c)

on a diagonal staircase

d)

both up and down and side to side

61.

groups on the periodic table go in what direction

a)

side to side

b)

up and down

c)

both up and down and side to side

d)

diagonal on a staircase

62.

a)

Periods

b)

Groups

63.

a)

Periods

b)

Groups

64.

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

65.

Which elements are found on the left to middle of The Periodic Table?

a)

Metals

b)

Nonmetals

c)

Metalloids

d)

Candles

66.

Which type of elements touch the zigzag line?

a)

Metals

b)

Nonmetals

c)

Metalloids

d)

Metals and Metalloids

67.

An atom of which element is represented by this model?

a)

Neon (Ne)

b)

Boron (B)

c)

Nitrogen (N)

d)

Carbon (C)

68.

Identify the element using the Bohr model.

a)

He

b)

Li

c)

Be

d)

Na

69.

What is the atomic number?

a)

the number of protons

b)

the number of protons and neutrons

c)

the number of neutrons

d)

the number of protons and electrons

70.

What is the atomic number of this atom?

a)

1

b)

3

c)

4

d)

7

71.

What is the mass number of this atom?

a)

1

b)

3

c)

4

d)

7

72.

Which subatomic particle has a negative charge in the atom?

a)

proton

b)

neutron

c)

electron

d)

quark

73.

What is Atomic Mass Number ?

a)

Number of Protons

b)

Number of Neutrons

c)

Number of Protons and Neutrons

d)

Number of Protons and Electrons

74.

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

75.

Sweet Tea, everything is mixed evenly and looks the same.

a)

Heterogeneous Mixture

b)

Homogeneous Mixture

76.

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

77.

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

78.

Which of the following is an example of a heterogenous mixture?

a)

soap

b)

a salad with lettuce, olives, and tomatoes

c)

cup of coffee

d)

water

79.

H₂+ Mg

a)

Element

b)

Compound

c)

Mixture

80.

a)

Element

b)

Compound

c)

Mixture

81.

Salt - NaCl

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

82.

Air

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

83.

Lucky Charms Cereal

a)

Compound

b)

Element

c)

Mixture

84.

Chocolate Chip Muffin

a)

Compound

b)

Element

c)

Mixture

Chemistry Practice Quiz Feb 2022

Total questions: 84

Worksheet time: 51mins

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