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Worksheets

Computation Subatomic Particles

Total questions: 25

Worksheet time: 2hrs 5mins

Name
Class
Date
1.

Beryllium (Be)
Protons: 4
Neutrons: 5
Electrons: 4
What is the total atomic mass?

a)

9.032 amu

b)

9.012 amu

c)

9.020 amu

d)

9.040 amu

2.

Carbon (C)
Protons: 6
Neutrons: 6
Electrons: 6
What is the total atomic mass?

a)

12.011 amu

b)

12.020 amu

c)

12.010 amu

d)

12.000 amu

3.

Oxygen (O)
Protons: 8
Neutrons: 8
Electrons: 8
What is the total atomic mass?

a)

16.002 amu

b)

16.000 amu

c)

15.999 amu

d)

16.010 amu

4.

Nitrogen (N)
Protons: 7
Neutrons: 7
Electrons: 7
What is the total atomic mass?

a)

14.020 amu

b)

14.000 amu

c)

14.010 amu

d)

14.007 amu

5.

Neon (Ne)
Protons: 10
Neutrons: 10
Electrons: 10
What is the total atomic mass?

a)

19.998 amu

b)

20.174 amu

c)

20.180 amu

d)

20.200 amu

6.

Fluorine (F)
Protons: 9
Neutrons: 10
Electrons: 9
What is the total atomic mass?

a)

18.998 amu

b)

19.000 amu

c)

19.010 amu

d)

18.900 amu

7.

Aluminum (Al)
Protons: 13
Neutrons: 14
Electrons: 13
What is the total atomic mass?

a)

26.982 amu

b)

26.990 amu

c)

27.000 amu

d)

27.010 amu

8.

Silicon (Si)
Protons: 14
Neutrons: 14
Electrons: 14
What is the total atomic mass?

a)

28.090 amu

b)

28.085 amu

c)

28.000 amu

d)

28.100 amu

9.

Scandium (Sc)
Protons: 21
Neutrons: 24
Electrons: 21
What is the total atomic mass?

a)

45.002 amu

b)

45.029 amu

c)

45.100 amu

d)

45.150 amu

10.

Titanium (Ti)
Protons: 22
Neutrons: 26
Electrons: 22
What is the total atomic mass?

a)

47.850

b)

47.874 amu

c)

47.900 amu

d)

48.000 amu

11.

Vanadium (V)
Protons: 23
Neutrons: 28
Electrons: 23
What is the total atomic mass?

a)

50.850 amu

b)

51.000 amu

c)

50.942 amu

d)

50.900 amu

12.

Chromium (Cr)
Protons: 24
Neutrons: 28
Electrons: 24
What is the total atomic mass?

a)

51.992 amu

b)

51.996 amu

c)

52.000 amu

d)

52.002 amu

13.

Phosphorus (P)
Protons: 15
Neutrons: 16
Electrons: 15
What is the total atomic mass?

a)

30.980 amu

b)

31.000 amu

c)

30.974 amu

d)

31.010 amu

14.

Argon (Ar)
Protons: 18
Neutrons: 22
Electrons: 18
What is the total atomic mass?

a)

39.948 amu

b)

39.940 amu

c)

39.900 amu

d)

39.950 amu

15.

Iron (Fe)
Protons: 26
Neutrons: 30
Electrons: 26
What is the total atomic mass?

a)

55.850 amu

b)

55.800 amu

c)

55.900 amu

d)

55.845 amu

16.

Manganese (Mn)
Protons: 25
Neutrons: 30
Electrons: 25
What is the total atomic mass?

a)

54.900 amu

b)

54.938 amu

c)

54.940 amu

d)

54.950 amu

17.

Nickel (Ni)
Protons: 28
Neutrons: 31
Electrons: 28
What is the total atomic mass?

a)

58.693 amu

b)

58.600 amu

c)

58.700 amu

d)

58.750 amu

18.

Copper (Cu)
Protons: 29
Neutrons: 35
Electrons: 29
What is the total atomic mass?

a)

63.500 amu

b)

63.546 amu

c)

63.600 amu

d)

63.700 amu

19.

Germanium (Ge)
Protons: 32
Neutrons: 41
Electrons: 32
What is the total atomic mass?

a)

72.631 amu

b)

72.800 amu

c)

72.900 amu

d)

73.000

20.

Calcium (Ca)
Protons: 20
Neutrons: 20
Electrons: 20
What is the total atomic mass?

a)

40.078 amu

b)

40.100 amu

c)

40.200 amu

d)

40.300 amu

21.

Lead (Pb)
Protons: 82
Neutrons: 125
Electrons: 82
What is the total atomic mass?

a)

207.200 amu

b)

207.400 amu

c)

207.300 amu

d)

207.200 amu

22.

Silver (Ag)
Protons: 47
Neutrons: 61
Electrons: 47
What is the total atomic mass?

a)

107.868 amu

b)

108.000 amu

c)

107.500 amu

d)

107.900 amu

23.

Gold (Au)
Protons: 79
Neutrons: 118
Electrons: 79
What is the total atomic mass?

a)

197.200 amu

b)

196.966 amu

c)

197.000 amu

d)

196.967 amu

24.

Uranium (U)
Protons: 92
Neutrons: 146
Electrons: 92
What is the total atomic mass?

a)

238.200 amu

b)

238.100 amu

c)

238.050 amu

d)

238.028 amu

25.

Zinc (Zn)
Protons: 30
Neutrons: 35
Electrons: 30
What is the total atomic mass?

a)

65.380 amu

b)

65.400 amu

c)

65.500 amu

d)

65.600 amu