Quiz about Nuclear Reactions

Question 1

What do these symbols represent?

Accepted Answer

alpha particle

Answer

beta particle

Answer

neutron

Answer

gamma ray

Question 2

How many protons are in this atom?

Accepted Answer

3

Answer

4

Answer

6

Answer

10

Question 3

What process is modeled by the equation?

Accepted Answer

fission

Answer

alpha decay

Answer

beta decay

Answer

fusion

Question 4

What process is modeled with this equation?

Accepted Answer

fusion

Answer

alpha decay

Answer

beta decay

Answer

fission

Question 5

What is one problem with using nuclear fission as an energy source?

Accepted Answer

finding ways of storing radioactive wastes

Answer

finding radioactive elements that have longer half-lives

Answer

finding compounds to cool heated water

Answer

finding non-radioactive elements for reactors

Question 6

What type of nuclear equation is this?

Accepted Answer

beta

Answer

fusion

Answer

fission

Answer

alpha

Question 7

What sort of shield will block gamma rays?

Accepted Answer

thick lead

Answer

skin

Answer

paper

Answer

aluminum

Question 8

Which nuclear process is shown in the picture?

Accepted Answer

fission

Answer

fusion

Answer

alpha decay

Answer

beta decay

Question 9

In a neutral atom, the number of protons always equals

Accepted Answer

the number of electrons.

Answer

the number of neutrons.

Answer

the mass number.

Answer

the average atomic mass.

Question 10

Why does an atom undergo beta decay?

Accepted Answer

It has more neutrons than protons

Answer

It has too many electrons.

Answer

It has an atomic number greater than 83

Answer

It has more protons than neutrons

Question 11

What happens to the atomic number during alpha decay?

Accepted Answer

The atomic number decreases by 2.

Answer

The atomic number decreases by 4

Answer

The atomic number increases by 1

Answer

The atomic number stays the same.

Question 12

Which process involves the joining of small nuclei?

Accepted Answer

Nuclear fusion

Answer

Beta decay

Answer

Alpha decay

Answer

Nuclear fission

Question 13

Scientist involved with discovery of radioactivity.

Accepted Answer

Marie Curie

Answer

Albert Einstein

Answer

Ernest Rutherford

Answer

Isaac Newton

Question 14

Arrange in order of increasing ability to penetrate matter.

Accepted Answer

Alpha, beta, gamma

Answer

Beta, gamma, alpha

Answer

Alpha, gamma, beta

Answer

Gamma, beta, alpha

Question 15

What is meant by the statement that ₁₅P³² has a half life of 14 days

Accepted Answer

It takes 14 days to go down to 50% radioactivity each time

Answer

It takes 7 days to go down to 50% radioactivity each time

Answer

After 14 days it starts to become less radioactive

Answer

It takes 14 days to go up by 50% radioactivity each time

Question 16

The half life of Thorium-234 is 24 days. What fraction of the element remains after 96 days

Accepted Answer

1/16

Answer

1/2

Answer

1/4

Answer

1/8

Question 17

Has the symbol

Accepted Answer

Beta

Answer

Alpha

Answer

Gamma

Question 18

Has the symbol

Accepted Answer

Alpha

Answer

Beta

Answer

Gamma

Question 19

Has the symbol

Accepted Answer

Gamma

Answer

Alpha

Answer

Beta

Question 20

Gamma rays have a _____ charge

Accepted Answer

0

Answer

+1

Answer

-1

Answer

+2

Question 21

What type of decay is this?
⁷⁵₃₄Se + ⁰_-1e --> ⁷⁵₃₃As

Accepted Answer

Electron Capture

Answer

Positron Emission

Answer

Alpha Decay

Answer

Beta Decay

Question 22

The technetium-99 isotope has a half-life of 6.0 hours. If 100.0 mg were injected into a patient how much remains after 18 hours?

Accepted Answer

12.5 mg

Answer

33.0 mg

Answer

.33 mg

Answer

15.8 mg

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