Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Atoms Quiz

Total questions: 27

Worksheet time: 1hrs 25mins

Name
Class
Date
1.

The smallest particle into which an element can be divided and still be the same element is a(n)

a)

proton

b)

neutron

c)

electron

d)

atom

2.

Which subatomic particle has a positive charge?

a)

proton

b)

nuetron

c)

electron

d)

atom

3.

Which subatomic particle has a negative charge?

a)

proton

b)

neutron

c)

electron

d)

atom

4.

Which subatomic particle has a neutral (0) charge?

a)

proton

b)

nuetron

c)

electron

d)

atom

5.

Why is the overall charge of an atom neutral (0)?

a)

They have the same number of protons and neutrons.

b)

They have the same number of protons and electrons.

c)

They have the same number of electrons and neutrons.

6.

Which TWO of the following subatomic particles are inside the nucleus?

a)

protons

b)

electrons

c)

neutrons

d)

There are no subatomic particles in the nucleus of an atom.

7.

The number of which subatomic particle determines the element of an atom (if it's carbon, oxygen, nitrogen, etc.)?

a)

proton

b)

neutron

c)

electron

d)

Subatomic particles do no determine the element of an atom.

8.

Use a periodic table to help you determine the element in the image. (Hint: Use the # of protons.)

a)

lithium

b)

oxygen

c)

magnesium

d)

carbon

9.

Use a periodic table to help you determine the element in the image. (Hint: Use the # of protons.)

a)

carbon

b)

lithium

c)

beryllium

d)

nitrogen

10.

Use a periodic table to help you determine the element in the image. (Hint: Use the # of protons.)

a)

boron

b)

beryllium

c)

neon

d)

lithium

11.

How many protons does fluorine have?

a)

19

b)

1

c)

9

d)

10

12.

How many neutrons does nitrogen have?

a)

7

b)

14

c)

0

d)

6

13.

How many electrons does silicon have?

a)

28

b)

14

c)

0

d)

10

14.

Using the diagram as a reference, how many electrons does lithium have in its OUTER shell?

a)

1

b)

3

c)

8

d)

2

15.

Using the diagram as a reference, how electrons does carbon have in its OUTER shell?

a)

2

b)

6

c)

4

d)

1

16.

Using the diagram as a reference, how electrons does neon have in its OUTER shell?

a)

10

b)

8

c)

2

d)

6

17.
What is the charge on a lithium atom that looses 1 electron?
a)
+1
b)
0
c)
-1
d)
-2
18.

What charge does an atom have when it GAINS electrons?

a)

Positive

b)

Negative

c)

Neutral

19.

Why are atoms electrically neutral?

a)

The neutrons balance out any charge.

b)

There are more neutrons than protons or electrons.

c)

Protons and electrons are equal, thus cancel each other out because they have opposite charges.

d)

Neutrons have no charge which makes the who atom neutral.

20.
Two atoms that have different numbers of protons are 
a)
Different ions
b)
Different isotopes
c)
Different elements
21.

An ion forms when an atom gains or loses...

a)

protons.

b)

neutrons.

c)

electrons.

22.

An ion with a positive charge has __________.

a)

the same number of protons and electrons.

b)

lost a proton.

c)

lost an electron.

d)

gained an electron.

23.

An ion with a negative charge has __________.

a)

the same number of protons and electrons.

b)

lost a proton.

c)

lost an electron.

d)

gained an electron.

24.

Which of the following describes a positive ion?

a)

10 protons, 12 electrons

b)

12 protons, 10 electrons

c)

12 protons, 12 electrons

d)

10 protons, 10 electrons

25.

Which of the following describes a negative ion?

a)

8 protons, 8 neutrons, 8 electrons

b)

8 protons, 8 neutrons, 10 electrons

c)

8 protons, 10 neutrons, 8 electrons

d)

8 protons, 8 neutrons, 6 electrons

26.

A sulfur ion has a 2- charge. How many protons and electrons does this sulfur ion have?

a)

16 protons, 16 electrons

b)

16 protons, 14 electrons

c)

14 protons, 16 electrons

d)

16 protons, 18 electrons

27.

A strontium ion has a 2+ charge. How many protons and electrons does this strontium ion have?

a)

36 protons, 38 electrons

b)

38 protons, 40 electrons

c)

38 protons, 36 electrons

d)

38 protons, 38 electrons