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Nuclear Chemistry Pretest

Total questions: 37

Worksheet time: 37mins

Name
Class
Date
1.

What process describes two small nuclei combining into a larger nucleus?

a)

fission

b)

fusion

c)

alpha decay

d)

beta decay

2.

What process is described by the splitting of a nucleus into smaller nuclei?

a)

fusion

b)

fission

c)

half-life

d)

gamma radiation

3.

How do nuclear power-plants work?

a)

Fusion

b)

Half-life

c)

Fission

d)

Fusion or fission

4.

What nuclear process is shown in the picture?

a)

alpha decay

b)

gamma emission

c)

fusion

d)

fission

5.

The nuclear equation shown models which nuclear process?

a)

fusion

b)

fission

c)

beta decay

d)

gamma emission

6.

Which nuclear process if shown in the picture?

a)

alpha decay

b)

beta decay

c)

fusion

d)

fission

7.
What is a benefit of nuclear fission?
a)
The ability to absorb energy
b)
The ability to release tremendous amounts of energy
c)
The ability to produce more energy than nuclear fusion
d)
There are no beneficial aspects of nuclear fission
8.

One disadvantage of nuclear energy produced through fission is ___.

a)

it is a fossil fuel

b)

it leaves behind radioactive waste

c)

it emits large amounts of pollution into the atmosphere

d)

there are no disadvantages

9.

Which of the following is NOT an example of nuclear fission?

a)

nuclear power plants

b)

the sun

c)

atomic bombs

10.

The nuclear equation shown models which nuclear process?

a)

fission

b)

fusion

c)

alpha decay

d)

beta decay

11.

Which material is responsible for initiating and continuing the chain reaction?

a)

neutron, 01n

b)

Uranium - 235, 23592U

c)

Krypton - 90, 9036Kr

d)

Barium - 144, 14456Ba

12.

Which of the following is NOT a true statement about nuclear fission?

a)

big atoms split apart

b)

it occurs naturally

c)

it produces radioactive waste

d)

it releases less energy than fusion

13.
Which of the following is true about nuclear fusion?
a)
It is easy to implement.
b)
It produces less energy than nuclear fission.
c)
It produces more energy than nuclear fission.
d)
It has the ability to occur easily in everyday life.
14.

Hydrogen bombs are created from which process?

a)

Fusion

b)

Fission

15.

Atomic bombs are created from which process?

a)

Fusion

b)

Fission

16.

T/F The three components of a nuclear fission reactor are the nuclear fuel combined with a moderator, the control rods, and water.

a)

True

b)

False

17.

How much of the total energy used in the United States is created by nuclear fission reactors?

a)

1%

b)

19%

c)

68%

d)

90%

18.

In nuclear reactions--

a)

a large amount of matter produces a small amount of energy.

b)

a small amount of matter produces a large amount of energy.

19.

What type of radiation is being released in the following equation?

a)

alpha

b)

beta

c)

positron

d)

neutron

20.

What type of radiation is being released in the equation shown?

a)

alpha

b)

beta

c)

gamma

d)

positron

21.

True or False: Nuclear fusion occurs in stars.

a)

True

b)

False

22.

True or False: Control rods are used to slow down the reaction in the reactor core when the core becomes too hot.

a)

True

b)

False

23.

Fission can be used as a controlled chain reaction in a reactor used in a nuclear plants to produce electricity.

a)

True

b)

False

c)

Maybe

d)

I dont know

24.
Very high temperature and pressure is required for:
a)
Fission
b)
 Fusion
c)
Radioactive Decay
25.

Why do some elements have half-lives?

a)

they radioactively decay

b)

half of their atom gets stolen

c)

They are Twizzlers that break in half

26.

The % of the parent isotope remaining after 1 Half Life.

a)

50%

b)

25%

c)

12.5%

d)

6.25%

27.

After the third half-life, how much of the sample is left?

a)

1/2

b)

1/3

c)

1/16

d)

1/8

28.
_________ happens naturally due to an unstable nucleus.
a)
fission
b)
fusion
c)
radioactive decay
d)
K-capture
29.
Requires temperatures of millions of degrees?
a)
Fission
b)
Fusion
30.

Using the decay of an isotope to find the age of a once-living object [fossil].

a)

carbon dating

b)

alpha particle

c)

gamma ray

d)

half-life

31.

The type of radioactive particle that can be stopped by a sheet of paper is the ____.

a)

alpha particle

b)

uranium

c)

beta particle

d)

gamma ray

32.

The most penetrating type of radiation is the _______.

a)

beta particle

b)

gamma ray

c)

uranium

d)

alpha particle

33.
What is the missing isotope that will balance the following nuclear equation?
94Be  +  11H →  _____  +  42He
a)
105B
b)
105Ne
c)
63Li
d)
63C
34.
Solve this equation for alpha decay.
20985At = ___ + 42He
a)
20583Bi
b)
20986Rn
c)
20781Tl
d)
20885At
35.

What mineral is used to create Nuclear Power?

a)

Uranium

b)

Cobalt

c)

Iron

d)

Gold

36.

What is the Half Life of this isotope?

a)

3 days

b)

5 days

c)

8 days

d)

10 days

37.
Radioactive materials have unstable...
a)
electrons
b)
protons
c)
nuclei
d)
neutrons

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