Free Printable ATOMS and ElEMENTS

1.

What is the chemical symbol for the element hydrogen

a)

H

b)

He

c)

h

d)

he

2.

What is the chemical symbol for the element Carbon

a)

ca

b)

co2

c)

C

d)

Cd

3.

What is the chemical symbol for the element Nitrogen

a)

Ni

b)

N

c)

No

d)

Nb

4.

The number at the top of each square on the periodic table is the ...

a)

atomic number

b)

atomic mass

c)

Chemical Symbol

d)

Element Name

5.

The atomic number tells you what?

a)

number of electrons

b)

number of protons

c)

number of neutrons

d)

both electrons and protons in an atom.

6.

A proton is....

a)

A negatively charged subatomic particle

b)

A positively charged subatomic particle

c)

A neutrally charged subatomic particle

d)

The only subatomic particle located in the nucleus

7.

The smallest particle of any particular type of matter is known by which of the following terms?

a)

Compound

b)

Atom

c)

Chemical

d)

Element

8.

The subatomic particle with a negative charge is the

a)

electron

b)

proton

c)

neutron

d)

nucleus

9.

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

10.

What part of the atom is the arrow pointing to?

a)

Proton

b)

Neutron

c)

Electron

11.

What part of the atom is the arrow pointing to?

a)

Proton

b)

Neutron

c)

Electron

12.

What part of the atom is the arrow pointing to?

a)

Proton

b)

Neutron

c)

Electron

13.

An element is determined by the number of ________ in its nucleus (also known as its atomic number).

a)

neutrons

b)

electrons

c)

protons

14.

Each chemical element is made up of only one kind of

a)

atom

b)

molecule

c)

electron

d)

neutron

15.

Chemist use letters of the alphabet as _________ for the elements.

a)

pictures

b)

colors

c)

symbols

16.

A ________ is a particle with no charge.

a)

proton

b)

neutron

c)

electron

17.

What is the atomic number of this element?

a)

O

b)

8

c)

16

18.

How many protons does this element have?

a)

16

b)

8

c)

0

19.

What is the atomic mass of this element?

a)

13

b)

26.982

c)

Al

20.

How many electrons does this element have?

a)

13

b)

27

c)

Al

21.

The chart that arranges elements by atomic number is:

a)

Atomic Number

b)

Metal

c)

Periodic Table

d)

Chart

22.

A NEGATIVE subatomic particle is:

a)

Electron

b)

Neutron

c)

Proton

d)

Metal

23.

A POSITIVE subatomic particle:

a)

Neutron

b)

Electron

c)

Atom

d)

Proton

24.

True or False? Neutrons have a negative charge

a)

True

b)

False

25.

What is the atomic number of an element with three protons?

a)

2

b)

1

c)

3

d)

6

26.

Where are electrons of an atom found?

a)

Nucleus

b)

Electron Cloud

c)

Some are in the nucleus and some in the electron cloud.

d)

They are moving everywhere.

27.

What two subatomic particles are contained in the nucleus?

a)

Protons + Electrons

b)

Neutrons + Electrons

c)

Atoms

d)

Protons + Neutrons

28.

What is Matter?

a)

anything that has mass

b)

anything that takes up space

c)

anything that has mass and takes up space

29.

What are the three particles that make up the atom?

a)

clouds, positives, negatives

b)

clouds, energy levels, particles

c)

protons, neutrons, electrons

d)

molecules, electrons, protons

30.

Electrons are located in the

a)

electron cloud

b)

nucleus

c)

molecule

d)

circles

31.

Provided is a list of five different substances.

NaOH Cu H2O N2 H2

How many of these substances are elements?

a)

2

b)

3

c)

4

d)

5

32.

Below is a list of some substances and their symbols.

Oxygen O

Sodium Chloride NaCl

Gold Au

Neon Ne

How many of these substances are an example of an element?

a)

1

b)

2

c)

3

d)

4

33.

How many elements are in the compound Fe₂O₃?

a)

0

b)

1

c)

2

d)

3

34.

Water, salt, sugar, and other common items are __________.

a)

elements

b)

compounds

c)

energy

d)

tables

35.

Which of the following is a compound?

a)

Si

b)

CO₂

c)

Cl

d)

He

e)

Ti

36.

How many elements are there in CuSO₄?

a)

1

b)

2

c)

3

d)

4

e)

5

37.

How many different elements are present in H₂COCH₂

a)

5

b)

4

c)

3

d)

2

38.

H₂SO₄

a)

H = 2, S = 4, O = 4

b)

H = 2, S = 1, O = 4

c)

H = 8, S = 4, O = 4

d)

H = 2, SO = 4

39.

How many atoms of Hydrogen are in this compound?

a)

1

b)

2

c)

3

d)

4

40.

Which of the following is the best description of an element?

a)

A substance that cannot be broken down into simpler substances.

b)

A naturally occurring mineral made of more than one substance.

c)

A small particle made with a specific chemical composition.

d)

A collection of atoms that have different abilities when joined together.

ATOMS and ElEMENTS

Total questions: 40

Worksheet time: 23mins

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