Question 1

The emission of gamma rays frequently occurs during alpha decay and beta particle emission.

Accepted Answer

A) True 
 B)False

Question 2

In $\beta$ emission, one neutron of the original nucleus decays to a $\beta$ particle and a(n)_____.

Accepted Answer

The answer of In $\beta$ emission, one neutron of the...

Question 3

What types of cells are most sensitive to radiation damage?

Accepted Answer

A) the intestinal tract cells 
B) reproductive organs cells 
C) cancer cells 
D) bone marrow cells 
E) All of the cell types listed above are very sensitive to radiation damage. 
A) the intestinal tract cells 
B) reproductive organs cells 
C) cancer cells 
D) bone marrow cells 
E) All of the cell types listed above are very sensitive to radiation damage.

Question 4

The technique of radiocarbon dating is based on the fact that the ratio of radioactive carbon-14 to stable carbon-12 is a constant value in a living organism that is constantly taking in CO2 and other carbon-containing nutrients from its surroundings.

Accepted Answer

A) True 
 B)False

Question 5

Mg-24 is a non-radioactive isotope of magnesium and Mg-27 is a radioactive isotope. Which of the following is a true statement concerning these two isotopes?

Accepted Answer

A) Both isotopes emit high energy particles or rays known as radiation. 
B) The radioactive isotope has three more neutrons than the non-radioactive isotope. 
C) The radioactive isotope has three more electrons than the non-radioactive isotope. 
D) The non-radioactive isotope has three less protons than the radioactive isotope. 
A) Both isotopes emit high energy particles or rays known as radiation. 
B) The radioactive isotope has three more neutrons than the non-radioactive isotope. 
C) The radioactive isotope has three more electrons than the non-radioactive isotope. 
D) The non-radioactive isotope has three less protons than the radioactive isotope.

Question 6

The sum of the mass numbers and the sum of the atomic numbers must be equal on both sides of a nuclear equation.

Accepted Answer

A) True 
 B)False

Question 7

The balanced nuclear equation for the decay of radon-216 by positron emission is   .

Accepted Answer

A) True 
 B)False

Question 8

The nuclear equation shown below represents which of the following processes?

Accepted Answer

A) alpha decay of platinum 
B) gamma emission by mercury 
C) alpha emission by mercury 
D) gamma decay of platinum 
A) alpha decay of platinum 
B) gamma emission by mercury 
C) alpha emission by mercury 
D) gamma decay of platinum

Question 9

Which species completes the nuclear equation shown below?   +   $\rightarrow$ _____

Accepted Answer

A)    
B) $\alpha$ 
C) $\gamma$ 
D) 2 $\gamma$ 
A)    
B) $\alpha$ 
C) $\gamma$ 
D) 2 $\gamma$

Question 10

X-rays, CT scans, and MRIs are techniques that utilize nuclear reactions to provide an image of an organ or extremity that is used for diagnosis of a medical condition.

Accepted Answer

A) True 
 B)False

Question 11

What is the SI unit in the measurement of radioactivity?

Accepted Answer

A) Ci 
B) mCi 
C) $\mu$Ci 
D) Bq 
A) Ci 
B) mCi 
C) $\mu$Ci 
D) Bq

Question 12

A(n)_____ is a small portable device used for measuring radioactivity.

Accepted Answer

The answer of A(n)_____ is a small portable device used...

Question 13

When a positron is emitted from the nucleus of an atom, the nuclear mass remains the same.

Accepted Answer

A) True 
 B)False

Question 14

Which amount of radioactivity is equivalent to 4.1 × 1012 disintegrations/s?

Accepted Answer

A) 1.1 × 103 Ci 
B) 4.1 × 109 Bq 
C) 4.1 × 1012 Bq 
D) 1.1 × 1010 $\mu$Ci 
A) 1.1 × 103 Ci 
B) 4.1 × 109 Bq 
C) 4.1 × 1012 Bq 
D) 1.1 × 1010 $\mu$Ci

Question 15

Nuclear fission and nuclear fusion both release a great deal of energy.

Accepted Answer

A) True 
 B)False

Question 16

The half-life (t1/2)of a radioactive isotope depends on which of the following?

Accepted Answer

A) the amount of the radioisotope present 
B) the isotope 
C) the temperature 
D) the pressure 
E) all of the factors listed above 
A) the amount of the radioisotope present 
B) the isotope 
C) the temperature 
D) the pressure 
E) all of the factors listed above

Question 17

The initial responders to the Chernobyl nuclear disaster were exposed to 22 Sv of radiation. What is this exposure in units of rem?

Accepted Answer

A) 2.2 mrem 
B) 2, 200 rem 
C) 0.022 rem 
D) 0.22 mrem 
A) 2.2 mrem 
B) 2, 200 rem 
C) 0.022 rem 
D) 0.22 mrem

Question 18

Which species completes the nuclear equation shown below?   $\rightarrow$  + _____

Accepted Answer

A)    
B)    
C) 2   
D) 2   
A)    
B)    
C) 2   
D) 2

Question 19

The minimum amount of uranium-235 necessary to sustain a chain reaction is called the _____.

Accepted Answer

The answer of The minimum amount of uranium-235 necessary to...

Question 20

To decrease the incidence of harmful bacteria in foods, certain fruits and vegetables are irradiated with $\alpha$particles that kill any bacteria contained in them.

Accepted Answer

A) True 
 B)False

Exam 10: Nuclear Chemistry

The emission of gamma rays frequently occurs during alpha decay and beta particle emission.

In β\betaβ emission, one neutron of the original nucleus decays to a β\betaβ particle and a(n)_____.

What types of cells are most sensitive to radiation damage?

The technique of radiocarbon dating is based on the fact that the ratio of radioactive carbon-14 to stable carbon-12 is a constant value in a living organism that is constantly taking in CO2 and other carbon-containing nutrients from its surroundings.

Mg-24 is a non-radioactive isotope of magnesium and Mg-27 is a radioactive isotope. Which of the following is a true statement concerning these two isotopes?

The sum of the mass numbers and the sum of the atomic numbers must be equal on both sides of a nuclear equation.

The balanced nuclear equation for the decay of radon-216 by positron emission is .

The nuclear equation shown below represents which of the following processes?

Which species completes the nuclear equation shown below? + →\rightarrow→ _____

X-rays, CT scans, and MRIs are techniques that utilize nuclear reactions to provide an image of an organ or extremity that is used for diagnosis of a medical condition.

What is the SI unit in the measurement of radioactivity?

A(n)_____ is a small portable device used for measuring radioactivity.

When a positron is emitted from the nucleus of an atom, the nuclear mass remains the same.

Which amount of radioactivity is equivalent to 4.1 × 1012 disintegrations/s?

Nuclear fission and nuclear fusion both release a great deal of energy.

The half-life (t1/2)of a radioactive isotope depends on which of the following?

The initial responders to the Chernobyl nuclear disaster were exposed to 22 Sv of radiation. What is this exposure in units of rem?

Which species completes the nuclear equation shown below? →\rightarrow→ + _____

The minimum amount of uranium-235 necessary to sustain a chain reaction is called the _____.

To decrease the incidence of harmful bacteria in foods, certain fruits and vegetables are irradiated with α\alphaα particles that kill any bacteria contained in them.

Matter and Measurement

Atoms and the Periodic Table

Ionic Compounds

Covalent Compounds

Chemical Reactions

Energy Changes, Reaction Rates, and Equilibrium

Gases, Liquids, and Solids

Solutions

Acids and Bases

Introduction to Organic Molecules and Functional Groups

Alkanes

Unsaturated Hydrocarbons

Organic Compounds That Contain Oxygen, Halogen, or Sulfur

The Three-Dimensional Shape of Molecules

Aldehydes and Ketones

Carboxylic Acids, Esters, and Amides

Amines and Neurotransmitters

Lipids

Carbohydrates

Amino Acids, Proteins, and Enzymes

Nucleic Acids and Protein Synthesis

Digestion and the Conversion of Food Into Energy

Carbohydrate, Lipid, and Protein Metabolism

Filters

In $\beta$ emission, one neutron of the original nucleus decays to a $\beta$ particle and a(n)_____.

The technique of radiocarbon dating is based on the fact that the ratio of radioactive carbon-14 to stable carbon-12 is a constant value in a living organism that is constantly taking in CO₂ and other carbon-containing nutrients from its surroundings.

Which species completes the nuclear equation shown below? $Which species completes the nuclear equation shown below? + \rightarrow ___$ + $Which species completes the nuclear equation shown below? + \rightarrow _$ $\rightarrow$ ___

Which amount of radioactivity is equivalent to 4.1 × 10¹² disintegrations/s?

The half-life (t_1/2)of a radioactive isotope depends on which of the following?

Which species completes the nuclear equation shown below? $Which species completes the nuclear equation shown below? \rightarrow + ___$ $\rightarrow$ $Which species completes the nuclear equation shown below? \rightarrow + _$ + ___

To decrease the incidence of harmful bacteria in foods, certain fruits and vegetables are irradiated with $\alpha$ particles that kill any bacteria contained in them.