Quiz about Nuclear Chemistry Review

Question 1

Why do radioactive atoms decay?

Accepted Answer

To have a stable ratio of neutrons to protons

Answer

To have more protons

Answer

To have less neutrons

Answer

To have a stable valence shell

Question 2

Which type of decay is shown here?

Accepted Answer

Alpha

Answer

Beta

Answer

Gamma

Question 3

Which type of decay is shown here?

Accepted Answer

Beta

Answer

Alpha

Answer

Gamma

Question 4

What type of decay is shown here?

Accepted Answer

Gamma

Answer

Alpha

Answer

Beta

Question 5

When this molecule undergoes a single beta decay, which of the following is produced?

Accepted Answer

54 Ni28

Answer

54 Co27

Answer

53 Ni28

Answer

53 Co27

Question 6

When this decays by beta decay, the isotope formed is

Accepted Answer

257 Md101

Answer

257 Md99

Answer

257 Fm100

Answer

253 Cf98

Question 7

The isotope formed by the alpha decay of this element has a mass number of _____.

Accepted Answer

230

Answer

232

Answer

236

Answer

238

Question 8

The equation displayed shows which nuclear decay process?

Accepted Answer

Alpha

Answer

Beta

Answer

Gamma

Answer

Fusion

Question 9

Question 9.

Accepted Answer

87 Sr38

Answer

87 Kr36

Answer

83 Br35

Answer

86 Rb37

Question 10

Which type of particle is emitted from the following reaction?

Accepted Answer

Alpha particle

Answer

Beta particle

Answer

A neutron

Answer

A proton

Question 11

1 cm thick piece of cardboard placed over a radiation source would be most effective in protecting against which type of radiation?

Accepted Answer

Beta

Answer

Alpha

Answer

Gamma

Question 12

Identify the type of nuclear decay shown here.

Accepted Answer

Beta

Answer

Alpha

Answer

Gamma

Question 13

Identify the type of nuclear decay shown here.

Accepted Answer

Alpha

Answer

Beta

Answer

Gamma

Question 14

Identify the type of nuclear decay shown here.

Accepted Answer

Gamma

Answer

Alpha

Answer

Beta

Question 15

What is created by this alpha decay?

Accepted Answer

Th-230

Answer

Th-232

Answer

Pu-230

Answer

Pb-206

Question 16

This reaction occurs when two nuclei come together to form a larger one.

Accepted Answer

Fusion

Answer

Fission

Question 17

This reaction produces a chain reaction that causes a large atom to be broken down into smaller ones.

Accepted Answer

Fission

Answer

Fusion

Question 18

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 19

Complete the sentence: As time passes the level of radiation produced by a radioactive material...

Accepted Answer

Decreases

Answer

Increases

Answer

Remains constant

Question 20

What do these symbols represent?

Accepted Answer

alpha particle

Answer

beta particle

Answer

neutron

Answer

gamma ray

Question 21

How are these isotopes different?

Accepted Answer

Different number of neutrons

Answer

Different atomic numbers

Answer

Different number of protons

Answer

Different number of electrons

Question 22

What sort of shield will block gamma rays?

Accepted Answer

thick lead

Answer

skin

Answer

paper

Answer

aluminum

Question 23

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 24

In the symbol ¹⁶₇N what the 7 stand for?

Accepted Answer

Atomic number

Answer

Mass number

Answer

Atomic mass

Answer

Number of neutrons

Question 25

Has the symbol

Accepted Answer

Gamma

Answer

Alpha

Answer

Beta

Question 26

Which type of radioactive decay gives off energy only (no particles)?

Accepted Answer

gamma

Answer

alpha

Answer

beta

Question 27

Gamma rays have a _____ charge

Accepted Answer

0

Answer

+1

Answer

-1

Answer

+2

Question 28

When nuclei decay, massive amounts of __________ is released.

Accepted Answer

energy

Answer

water

Answer

protons

Answer

neutrons

Question 29

Has the lowest penetrating power and can be stopped by skin.

Accepted Answer

Alpha

Answer

Beta

Answer

Gamma

Question 30

What type of nuclear reaction is this?

Accepted Answer

gamma

Answer

alpha

Answer

beta

Answer

hot

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