Free Printable Nuclear Decay REVIEW

1.

Which spot represents the MASS NUMBER?

A

B

C

2.

Which spot represents the ATOMIC NUMBER (protons)?

A

B

C

3.

Match the following

a)

1.

alpha

b)

2.

beta

c)

3.

gamma

4.

Organize these options into the right categories

Categorize the following

mass number decreases by 4

atomic number decreases by 2

Helium nucleus

mass number doesn't change but atomic number goes up by 1

fast moving electron

mass of 4 and +2 charge

mass of 0 and -1 charge

mass number & atomic number stay the same

very strong - stopped by a thick piece of lead

very weak - stopped by a piece of paper

stopped by aluminum foil

0 mass and 0 charge

alpha decay

beta decay

gamma radiation

5.

Which equation shows the correct alpha decay for Am-242?

A

B

C

D

E

6.

Drag the numbers and the symbol to the correct spot:

a)

Pu

b)

U

c)

Th

d)

90

e)

92

f)

231

g)

239

h)

235

i)

94

1

2

3

1)

2)

3)

7.

Label the decay equation with the correct numbers and symbol:

a)

Ra

b)

Th

c)

88

d)

90

e)

230

f)

238

g)

92

h)

U

i)

234

1

2

3

1)

2)

3)

8.

Label the equation with the correct mass number, atomic number, and symbol:

a)

Co

b)

27

c)

Fe

d)

26

e)

56

f)

60

g)

28

h)

Ni

i)

64

1

2

3

1)

2)

3)

9.

Which equation shows the correct beta decay of potassium-40?

A

B

C

D

E

10.

Label the mass number, atomic number, and symbol:

a)

U

b)

Pa

c)

92

d)

91

e)

238

f)

234

g)

90

h)

Th

i)

230

1

2

3

1)

2)

3)

11.

Label the mass number, atomic number, and symbol:

a)

Th

b)

Pu

c)

94

d)

239

e)

90

f)

235

g)

92

h)

U

i)

231

1

2

3

1)

2)

3)

12.

Label the decay particle as well as the atomic numbers for the parent particle and the daughter particle:

a)

92

b)

84

c)

90

d)

-1

e)

0

f)

He

g)

88

h)

86

i)

4

j)

2

1

2

3

4

5

1)

2)

3)

4)

5)

13.

Label the decay particle as well as the atomic numbers for the parent particle and the daughter particle:

a)

7

b)

y

c)

11

d)

8

e)

He

f)

e

g)

6

h)

14

i)

0

j)

-1

1

2

3

4

5

1)

2)

3)

4)

5)

14.

Label the decay particle and the daughter particle for sodium-24 that undergoes alpha decay:

(do the DECAY PARTICLE FIRST & the DAUGHTER PARTICLE SECOND)

a)

12

b)

24

c)

-1

d)

0

e)

He

f)

2

g)

20

h)

9

i)

F

j)

4

1

2

3

4

5

6

1)

2)

3)

4)

5)

6)

15.

Label the decay particle and the daughter particle for sodium-24 that undergoes beta decay:

(do the DECAY PARTICLE FIRST & the DAUGHTER PARTICLE SECOND)

a)

12

b)

24

c)

-1

d)

0

e)

e

f)

2

g)

4

h)

10

i)

Mg

j)

Ne

1

2

3

4

5

6

1)

2)

3)

4)

5)

6)

Nuclear Decay REVIEW

Total questions: 15

Worksheet time: 24mins

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