Free Printable Chemistry Test 1 Review

1.

Which of the following would NOT be considered matter?

a)

gravity

b)

water

c)

air

d)

hair

2.

Which of the following elements is a metalloid?

a)

Cesium (Cs)

b)

Krypton (Kr)

c)

Arsenic (As)

d)

Plutonium (Pu)

3.

How many neutrons does Bromine (Br) have?

a)

35

b)

45

c)

80

d)

115

4.

Which subatomic particle determines the reactivity of a group of elements on the periodic table

a)

number of protons

b)

number of electrons

c)

number of neutrons

d)

number of valence electrons

5.

An element is identify by

a)

its number of neutrons

b)

its number of protons

c)

its atomic mass

d)

the type of charge

6.

Which best explains how the atomic size of the elements is arranged on the periodic table.

a)

The atomic size decreases from left to right and decreases from top to bottom.

b)

The atomic size increases from left to right and increases from top to bottom

c)

The atomic size decreases from left to right and increases from top to bottom.

d)

The atomic size increases from left to right and decreases from top to bottom.

7.

Which best describes a row of elements on the periodic table?

a)

group

b)

family

c)

period

d)

column

8.

Most of the elements on the periodic table are _________?

a)

metals

b)

nonmetals

c)

metalloids

d)

gases

9.

How many protons are in a sodium (Na) atom?

a)

1

b)

3

c)

11

d)

23

10.

How can the element carbon be classified?

a)

metal

b)

nonmetals

c)

metalloid

d)

halogen

11.

How can the element carbon be classified?

a)

metal

b)

nonmetals

c)

metalloid

d)

halogen

12.

How many of the following substances are elements?

S

N_2O_4

Fe

O_2

LiF

Sr

Al

a)

5

b)

3

c)

4

d)

6

13.

Define a physical change.

a)

A change to a substance that occurs without forming a new substance.

b)

A change in matter that produces one or more new substances.

c)

A change that undergoes a chemical reaction.

d)

None of the above.

14.

Define a chemical change.

a)

A change to a substance that occurs without forming a new substance.

b)

A change in matter that produces one or more new substances.

c)

A change that doesn't form something new.

d)

None of the above.

15.

Which of the following represents an element?

a)

$H_{2_{ }}O$

b)

$NaCl$

c)

$H_2$

d)

$CaCO_3$

16.

What cannot be broken down into other substances?

a)

compound

b)

solids

c)

mixture

d)

element

17.

A pure substance containing only one type of atom is...

a)

element

b)

mixture

c)

compound

18.

Ripping paper is an example of...

a)

a physical change

b)

a chemical change

c)

both

d)

neither

19.

Cooking an egg is an example of ...

a)

a physical change

b)

a chemical change

c)

neither

d)

both

20.

Rust forming over time is an example of ...

a)

a physical change

b)

a chemical change

c)

both

d)

neither

21.

Which of the following is a sign that a chemical reaction has occurred?

a)

change in shape

b)

formation of a gas

c)

melting

d)

dissolving

22.

Green bananas turning yellow on their own as they ripen is an example of a

a)

chemical change

b)

physical change

c)

both

d)

neither

23.

An unexpected changing of color is a sign of a _____ change.

a)

physical

b)

chemical

c)

physical and chemical

d)

regular

24.

Which is NOT an example of a chemical change?

a)

a burning newspaper

b)

the souring of milk

c)

a nail rusting

d)

ice melting into water

25.

Which example is an element?

a)

OH

b)

Co

c)

H₂O

d)

CO₂

26.

A substance that can NOT be broken down into any other substance chemically or physically is —

a)

a mixture

b)

an element

c)

a compound

d)

a solution

27.

The smallest part of an element, that still has the properties of that element, is —

a)

a nucleus

b)

an atom

c)

a molecule

d)

a compound

28.

A proton has which of the following charges?

a)

negative

b)

neutral

c)

magnetic

d)

positive

29.

What has a negative charge?

a)

a neutron

b)

a proton

c)

an electron

d)

the nucleus

30.

Horizontal rows in the periodic table are called —

a)

groups

b)

periods

c)

families

d)

columns

31.

How many neutrons does Bromine have?

a)

80

b)

45

c)

44

d)

35

32.

What does number 2 represent in the carbon atom?

a)

electron

b)

neutron

c)

proton

d)

nucleus

33.

The basic building block of all matter is-

a)

an element

b)

an atom

c)

a compound

d)

a mixture

34.

The periodic table is arranged -

a)

by the atomic number

b)

by the number of neutrons

c)

by symbols

d)

in alphabetical order

35.

Which of these belongs in the outermost shell (energy level) of an atom?

a)

neutrons

b)

photons

c)

electrons

d)

protons

36.

How many protons are in one atom of Boron?

a)

10

b)

11

c)

5

d)

6

37.

How many neutrons are in one atom of Vanadium?

a)

23

b)

28

c)

50

d)

51

38.

The density of a block of wood with a volume of 50 cubic centimeters and a mass of 100 grams is___________.

(Mass ÷ Volume = Density)

a)

2 g/cm³

b)

0.2 g/cm³

c)

5000 g/cm³

d)

150 g/cm³

Chemistry Test 1 Review

Total questions: 38

Worksheet time: 19mins

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