Free Printable APEMAN Practice

1.

How many protons does this element have?

a)

1

b)

20

c)

40

d)

60

2.

How many electrons does this element have?

a)

25

b)

26

c)

29

d)

30

3.

What is this element's atomic number?

a)

10

b)

11

c)

20

d)

20.1797

4.

What is the element's atomic mass?

a)

8

b)

16

c)

30

d)

32.066

5.

How many electrons does this element have?

a)

20

b)

39

c)

40

d)

40.078

6.

What is this element's atomic number?

a)

26

b)

30

c)

55.845

d)

56

7.

Subatomic particles with a negative charge

a)

Electrons

b)

Neutrons

c)

Protons

d)

Quarks

8.

Subatomic particles with a positive charge

a)

neutrons

b)

atomic mass

c)

protons

d)

isotopes

9.

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

10.

Which subatomic particles contribute the most to the mass of an atom?

a)

Protons, Neutrons, Electrons

b)

Protons only

c)

Protons and Electrons

d)

Protons and Neutrons

11.

Which subatomic particle has a neutral or no charge?

a)

Proton

b)

Electron

c)

Neutron

12.

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

13.

An atom has an atomic number of 19 and a mass number of 29. How many neutrons are in the atom?

a)

30

b)

19

c)

10

d)

38

14.

Where is most of the volume of an atom found?

a)

nucleus

b)

electron

c)

electron cloud

d)

atom

15.

Identify #1

a)

proton

b)

neutron

c)

electron

d)

nucleus

16.

Identify #2

a)

proton

b)

neutron

c)

electron

d)

nucleus

17.

Identify #3

a)

proton

b)

neutron

c)

electron

d)

nucleus

18.

Identify #4

a)

proton

b)

neutron

c)

electron

d)

nucleus

19.

Calculation used to find the number of neutrons in an atom

a)

Atomic Mass - Atomic Number

b)

Atomic Number - Atomic Mass

c)

Atomic Mass - Electrons

d)

none of these

20.

An atom has 6 protons and 7 neutrons. What is its atomic mass?

a)

1

b)

6

c)

7

d)

13

21.

Fill in the empty cell.

a)

1

b)

4

c)

5

d)

9

22.

Fill in the empty cell.

a)

Lithium

b)

3

c)

4

d)

7

23.

Fill in the empty cell.

a)

Carbon

b)

6

c)

12

d)

18

24.

How many protons does indium have?

a)

49

b)

66

c)

114

d)

115

25.

What is the mass of a neutron?

a)

1 amu

b)

0 amu

c)

same as electron

d)

doesn't have any mass

APEMAN Practice

Total questions: 25

Worksheet time: 1hrs 12mins

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