Question 1

Which unit of radioactivity is equivalent to 3.7 × 1010 disintegrations/second?

Accepted Answer

A) 1 Ci 
B) 1 mCi 
C) 1 $\mu$Ci 
D) 1 Bq 
A) 1 Ci 
B) 1 mCi 
C) 1 $\mu$Ci 
D) 1 Bq

Question 2

The rad is the amount of radiation that also factors in its energy and potential to damage tissue.

Accepted Answer

A) True 
 B)False

Question 3

The LD50 of a substance is the lethal dose that kills _____ of a population.

Accepted Answer

Question 4

Hydrogen-3 is a radioactive isotope of hydrogen. When hydrogen-3 undergoes beta decay, helium-3 is formed.

Accepted Answer

A) True 
 B)False

Question 5

Phosphorous-32 is used for organ imaging. How many neutrons are present in this radioisotope?

Accepted Answer

A) 15 
B) 17 
C) 32 
D) 47 
A) 15 
B) 17 
C) 32 
D) 47

Question 6

A gamma ray has twice the mass of an alpha particle.

Accepted Answer

A) True 
 B)False

Question 7

What is the balanced nuclear equation for the $\beta$ emission of the radioisotope strontium-90?

Accepted Answer

A)    $\rightarrow$  +   
B)    $\rightarrow$  +   
C)    $\rightarrow$  +   
D)    +   $\rightarrow$  
E)    +   $\rightarrow$  
A)    $\rightarrow$  +   
B)    $\rightarrow$  +   
C)    $\rightarrow$  +   
D)    +   $\rightarrow$  
E)    +   $\rightarrow$

Question 8

Positron emission tomography (PET)scans use radioisotopes that decay by positron emission. Once formed, a positron combines with an electron to form _____$\gamma$ray(s), which create a scan of an organ.

Accepted Answer

The answer of Positron emission tomography (PET)scans use radioisotopes that...

Question 9

A microcurie of radioactivity is larger than a Becquerel of radioactivity.

Accepted Answer

A) True 
 B)False

Question 10

Which amount of radioactivity is equivalent to 3.7 × 105 mCi?

Accepted Answer

A) 3.7 × 103 Ci 
B) 3.7 × 102 $\mu$Ci 
C) 3.7 × 108 $\mu$Ci 
D) 3.7 × 1014 $\mu$Ci 
A) 3.7 × 103 Ci 
B) 3.7 × 102 $\mu$Ci 
C) 3.7 × 108 $\mu$Ci 
D) 3.7 × 1014 $\mu$Ci

Question 11

Which isotope symbol for bismuth is correct?

Accepted Answer

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

Question 12

Which nuclear equation is an example of $\alpha$decay?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 13

Which type of radiation has the largest mass?

Accepted Answer

A) An alpha particle 
B) A gamma ray 
C) A positron 
D) A beta particle 
A) An alpha particle 
B) A gamma ray 
C) A positron 
D) A beta particle

Question 14

Which nuclear equation is an example of $\beta$decay?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 15

A nuclear power plant utilizes the tremendous amount of energy produced by fission of the uranium-235 nucleus to heat water to steam, which powers a generator to produce electricity.

Accepted Answer

A) True 
 B)False

Question 16

If the half-life of phosphorus-32 is 14.3 days, how much of a 200. mg sample of phosphorus-32 remains after 71.5 days?

Accepted Answer

A) 100. mg 
B) 50. mg 
C) 12.5 mg 
D) 6.25 mg 
A) 100. mg 
B) 50. mg 
C) 12.5 mg 
D) 6.25 mg

Question 17

The balanced nuclear equation for the decay of neon-31 by $\beta$ decay is   .

Accepted Answer

A) True 
 B)False

Question 18

Rb-84 is used to monitor cardiac output and has a half life of 33 days. It would take approximately 165 days for a 1.000 mg sample of Rb-84 to decay to 0.063 mg.

Accepted Answer

A) True 
 B)False

Question 19

One rem is equivalent to 100 Sv.

Accepted Answer

A) True 
 B)False

Question 20

An alpha particle is a high-energy particle that contains

Accepted Answer

A) one proton and one neutron. 
B) two protons and two neutrons. 
C) one electron. 
D) one proton. 
A) one proton and one neutron. 
B) two protons and two neutrons. 
C) one electron. 
D) one proton.

Exam 10: Nuclear Chemistry

Which unit of radioactivity is equivalent to 3.7 × 1010 disintegrations/second?

The rad is the amount of radiation that also factors in its energy and potential to damage tissue.

The LD50 of a substance is the lethal dose that kills _____ of a population.

Hydrogen-3 is a radioactive isotope of hydrogen. When hydrogen-3 undergoes beta decay, helium-3 is formed.

Phosphorous-32 is used for organ imaging. How many neutrons are present in this radioisotope?

A gamma ray has twice the mass of an alpha particle.

What is the balanced nuclear equation for the β\betaβ emission of the radioisotope strontium-90?

Positron emission tomography (PET)scans use radioisotopes that decay by positron emission. Once formed, a positron combines with an electron to form _____ γ\gammaγ ray(s), which create a scan of an organ.

A microcurie of radioactivity is larger than a Becquerel of radioactivity.

Which amount of radioactivity is equivalent to 3.7 × 105 mCi?

Which isotope symbol for bismuth is correct?

Which nuclear equation is an example of α\alphaα decay?

Which type of radiation has the largest mass?

Which nuclear equation is an example of β\betaβ decay?

A nuclear power plant utilizes the tremendous amount of energy produced by fission of the uranium-235 nucleus to heat water to steam, which powers a generator to produce electricity.

If the half-life of phosphorus-32 is 14.3 days, how much of a 200. mg sample of phosphorus-32 remains after 71.5 days?

The balanced nuclear equation for the decay of neon-31 by β\betaβ decay is .

Rb-84 is used to monitor cardiac output and has a half life of 33 days. It would take approximately 165 days for a 1.000 mg sample of Rb-84 to decay to 0.063 mg.

One rem is equivalent to 100 Sv.

An alpha particle is a high-energy particle that contains

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

Which unit of radioactivity is equivalent to 3.7 × 10¹⁰ disintegrations/second?

The LD₅₀ of a substance is the lethal dose that kills _____ of a population.

What is the balanced nuclear equation for the $\beta$ emission of the radioisotope strontium-90?

Positron emission tomography (PET)scans use radioisotopes that decay by positron emission. Once formed, a positron combines with an electron to form _____ $\gamma$ ray(s), which create a scan of an organ.

Which amount of radioactivity is equivalent to 3.7 × 10⁵ mCi?

Which nuclear equation is an example of $\alpha$ decay?

Which nuclear equation is an example of $\beta$ decay?

The balanced nuclear equation for the decay of neon-31 by $\beta$ decay is $The balanced nuclear equation for the decay of neon-31 by \beta decay is .$ .