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Test Review_ Nuclear

Total questions: 33

Worksheet time: 2hrs 52mins

Name
Class
Date
1.

How many neutrons does an Oxygen-19 isotope have?

a)

19

b)

8

c)

11

d)

10

2.

How many protons does this isotope of titanium have?

a)

48

b)

22

c)

26

d)

70

3.

A neutral atom of the isotope 2612Mg would consist of

a)

12 protons, 26 neutrons

b)

26 protons, 12 neutrons

c)

26 protons, 14 neutrons

d)

12 protons, 14 neutrons

4.

How many protons are in the nucleus of the element shown?

a)

19

b)

9

c)

10

d)

28

5.
What does the symbol -10e represent
a)
alpha
b)
beta
c)
gamma
d)
the zero element
6.
What is the symbol for an alpha particle?
a)
42He
b)
0-1e
c)
0+1 e
d)
10n
7.
What do these symbols represent?
a)
alpha particle
b)
beta particle
c)
neutron
d)
gamma ray
8.

What do these symbols represent?

a)

alpha particle

b)

beta particle

c)

gamma ray

d)

neutron

9.

What are the changes in nuclear structure as a result of fission and fusion?

a)

The nucleus becomes larger in fission and smaller in fusion.

b)

The nucleus becomes smaller in fission and larger in fusion.

c)

The nucleus remains the same size in both fission and fusion.

d)

The nucleus becomes unstable in fission and stable in fusion.

10.

Which process involves the splitting of a nucleus into two smaller nuclei?

a)

Fusion

b)

Radioactive decay

c)

Half-life

d)

Fission

11.

What is the time it takes for half of a radioactive substance to decay called?

a)

Radioactive period

b)

Half-life

c)

Decay time

d)

Nuclear breakdown

12.

If the half-life of iodine-131 is 8 days, how much of a 5.0g sample is left after 32 days?

a)

2.5g

b)

1.25g

c)

0.625g

d)

0.3125g

13.

What type of decay is shown in this equation?

a)

alpha decay

b)

beta decay

c)

gamma emission

14.

What particle completes this reaction?

a)
b)
c)
d)
15.
Solve this equation for alpha decay.
85209At = ___ + 24He
a)
83205Bi
b)
86209Rn
c)
81207Tl
d)
85208At
16.
What particle completes this reaction?
a)
alpha particle
b)
beta particle
c)
gamma particle
d)
neutron
17.
Solve this equation for beta decay.
6027Co = ___ + 0-1e
a)
5625Mn
b)
6028Ni
c)
5823V
d)
5927Co
18.

What particle completes this reaction?

a)

42He

b)

0-1 e

c)

00γ

d)

178O

19.

What particle completes this reaction?

a)

42He

b)

0-1 e

c)

00Y

d)

178O

20.

What is the Half Life of this isotope?

a)

3 days

b)

5 days

c)

8 days

d)

10 days

21.

emitted helium nucleus

a)

positron

b)

radioactivity

c)

alpha particle

d)

gamma radiation

e)

beta particle

22.
This is an example of...
a)
Fission  reaction
b)
Fusion reaction
c)
Decomposition reaction
d)
Decay
23.

A beta particle is also called _____.

a)

an isotope

b)

a mass number

c)

an electron

d)

a fusion

24.

Has the lowest penetrating power.  Can only penetrate 0.05 mm into the body and can be stopped by the skin.

a)
Alpha
b)
Beta
c)
Gamma
d)

Electron capture

25.
Has the highest penetrating power.  Can penetrate our body.  Even several cm thick of lead or several meters thick of concrete cannot stop all of it.
a)
Alpha
b)
Beta
c)
Gamma
26.

_____is the joining of atomic nuclei

a)

Fusion

b)

chain reaction

c)

Photosynthesis

d)

Fission

27.
The nuclear reaction occurring at a nuclear power plant.
a)
Nuclear fusion
b)
Nuclear fission
c)
Combustion
d)
Multiplication
28.
Where does fusion occur naturally?
a)
Underwater
b)
All around us
c)
On the moon
d)
On the sun
29.
Which is not a part of an atom's nucleus?
a)
Neutron
b)
Proton
c)
Electron
d)
All are part of the nucleus
30.
An isotope has a different number of
a)
electrons
b)
neutrons
c)
protons
d)
positrons
31.

The half-life for a 100-gram sample of radioactive element X is 5 days. How much of element X remains after 10 days have passed?

a)

25g

b)

50g

c)

75g

d)

100g

32.

The high energy yields created by nuclear fission are due to...

a)

binding nuclei.

b)

hydrogen bonding.

c)

secondary recovery.

d)

chain reactions.

33.

What resulted from the uncontrolled series of chain reactions that occurred at the Chernobyl plant?

a)

oil spill

b)

coal mine collapse

c)

core meltdown

d)

discovery of plutonium

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