Free Printable Atom Review

1.

Subatomic particles with a negative charge

a)

Electrons

b)

Neutrons

c)

Protons

d)

Quarks

2.

Subatomic particles with a positive charge

a)

neutrons

b)

atomic mass

c)

protons

d)

isotopes

3.

Value representing the number of protons in an element

a)

Atomic Mass

b)

Mass Number

c)

Valence Electrons

d)

Atomic Number

4.

Subatomic particles that are neutral in charge

a)

Neutrons

b)

Protons

c)

Nucleus

d)

Electrons

5.

Which two subatomic particles make up the nucleus of an atom?

a)

Protons and Electrons

b)

Neutrons and Electrons

c)

Electrons and Protons

d)

Protons and Neutrons

6.

What is the mass number?

a)

the number of protons in the nucleus

b)

the number of protons and neutrons in the nucleus

c)

the number of neutrons in the nucleus

d)

the number of protons and electrons in the atom

7.

Where are the Electrons found in the structure of an atom?

a)

In the nucleus

b)

In spaces around the nucleus

8.

What does the C represent?

a)

atomic mass

b)

atomic number

c)

element name

d)

chemical symbol

9.

What does the 6 represent?

a)

Atomic mass

b)

atomic number

c)

chemical symbol

d)

element name

10.

How is the number of neutrons in the nucleus of an atom calculated?

a)

Add the number of e- and p+ together

b)

Subtract the number of e- from p+

c)

Subtract the number of p+ from the mass number

d)

Add the mass number to the number of e-

11.

If an atom has 12 positively charged subatomic particles, which of the following must it also have to be considered a neutral atom?

a)

12 neutrons

b)

12 electrons

c)

12 protons

d)

24 protons and neutrons

12.

An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.

a)

20

b)

10

c)

35

d)

25

13.

The atomic number of an element that has 9 protons, 9 electrons, and 10 neutrons is _____.

a)

9

b)

10

c)

19

d)

28

14.

An element with a mass number of 11 and an atomic number of 5 has how many neutrons?

a)

11

b)

5

c)

6

d)

16

15.

Where is most of the mass in an atom located?

a)

in the nucleus

b)

in the protons

c)

in the neutrons

d)

in the electrons

16.

An atom has an atomic number of 15 and a mass number of 31. How many protons are there in the atom?

a)

15

b)

31

c)

16

d)

47

17.

Which of the following determines the identity of an element?

a)

number of protons

b)

atomic mass

c)

number of neutrons

d)

number of shells

18.

What is the atomic number of the atom pictured?

a)

9

b)

10

c)

18

d)

19

19.

How many protons does indium have?

a)

49

b)

66

c)

114

d)

115

20.

Oxygen’s atomic number is 8. This means that an oxygen atom must have

a)

8 electrons

b)

8 protons

c)

8 neutrons

d)

a mass number of 8

21.

What is the mass number of this element?

a)

5

b)

27

c)

32

d)

59

22.

Which element has 31 protons ?

a)

Gallium

b)

Germanium

c)

Gadolinium

d)

Polonium

23.

What number indicates an electron?

a)

1

b)

2

c)

3

d)

4

24.

What number indicates the nucleus?

a)

1

b)

2

c)

3

d)

4

25.

What does the nucleus of an atom contain?

a)

Electrons and neutrons

b)

Protons and neutrons

c)

Neutrinos and positrons

d)

DNA and RN

26.

The center of an atom that holds protons and neutrons?

a)

model

b)

electron

c)

nucleus

d)

neutron

27.

A particle that moves around the nucleus is a(n)...

a)

Proton

b)

Neutron

c)

Electron

d)

Quark

28.

In an atom, what is the number of protons equal to?

a)

The number of electrons.

b)

The number of neutrons.

c)

The number of molecules.

d)

The number of nuclei.

29.

What is at the center of every atom?

a)

An electron

b)

A compound

c)

A molecule

d)

A nucleus

30.

What is the number of protons that the element in this image contain?

a)

14

b)

7

c)

15

d)

18

31.

What goes in place of the question marks?

a)

Neutrons

b)

Electron Cloud

c)

Atomic Number

d)

None of the above

32.

How many electrons are in the atom pictured?

a)

1

b)

2

c)

3

d)

0

33.

What is the atomic number of the atom pictured?

a)

11

b)

12

c)

22

d)

23

34.

What is the atomic mass of the atom pictured?

a)

11

b)

12

c)

22

d)

23

35.

What is the mass number and name of an element with 8 protons and 8 neutrons?

a)

16 - Carbon

b)

16 - Oxygen

c)

24 - Oxygen

d)

8 - Neon

36.

How many protons are in Beryllium?

a)

4

b)

9

c)

5

d)

2

37.

What does "1.00794" mean in this image?

a)

number of protons

b)

number of neutrons

c)

average number of protons and neutrons

d)

average number of valence electrons

38.

What does the 20.1797 stand for?

a)

neon

b)

atomic number

c)

atomic mass

d)

atomic explosion

39.

What is the atomic mass for hydrogen?

a)

1

b)

1.008

c)

2.008

d)

0

40.

How many protons are in Fluorine?

a)

10

b)

19

c)

9

d)

18

41.

How many neutrons are in Fluorine?

a)

17

b)

19

c)

10

d)

9

42.

How many neutrons are in Fluorine?

a)

17

b)

19

c)

10

d)

9

43.

What is the atomic number of Silver

a)

60

b)

47

c)

108

d)

107.868

44.

If an atom has 10 protons, 10 neutrons, and 10 electrons, what is the mass of the atom?

a)

10

b)

20

c)

30

45.

If an atom has 12 protons, which of the following must it also have to be considered a neutral atom?

a)

12 neutrons

b)

12 electrons

c)

12 protons

d)

24 protons and neutrons

46.

Electrons move _______________ the nucleus.

a)

inside

b)

outside

c)

on top of

d)

without

47.

Each proton has a ______________ electrical charge.

a)

Positive

b)

Negative

c)

Neutral

d)

Shocking

48.

Each electron has a ________________ electrical charge.

a)

positive

b)

negative

c)

neutral

d)

shocking

49.

Atoms consist of parts called protons, neutrons, and___________________.

a)

electrons

b)

haptons

c)

neptons

d)

wontons

50.

What does the Atomic Number tell us?

a)

The number of protons in an atom

b)

The number of electrons in the atom

c)

The number of neutrons in an atom

51.

An atom that has a neutral charge has 13 protons how many electrons does it have?

a)

11

b)

0

c)

13

d)

26

52.

The fluorine atom has an atomic number of

a)

19

b)

9

53.

What is the number of protons in Magnesium atom ?

a)

12

b)

24

c)

23

d)

8

54.

What is the mass number for this Magnesium atom?

a)

12

b)

24

c)

23

d)

8

55.

How many neutrons does a sodium atom have? (Use the image to help you)

a)

23

b)

11

c)

12

d)

34

56.

an atom with atomic number 6 would have how many protons

a)

6

b)

12

c)

3

d)

cannot be determined

57.

If the mass number of this chlorine atom is 35, how many neutrons does it have?

a)

17

b)

18

c)

19

d)

can't be determined

58.

What is the atomic number of this atom shown in the Bohr model?

a)

11

b)

12

c)

13

d)

can't be determined

59.

What is the mass number of the atom shown in the Bohr model?

a)

11

b)

12

c)

23

d)

Can't be determined

60.

Which is an electron?

a)

A

b)

B

c)

C

61.

Which letter represents an electron?

a)

A

b)

B

c)

C

d)

D

Atom Review

Total questions: 61

Worksheet time: 2hrs 32mins

Similar Resources on Wayground