Question 1

Identify the missing species in the following nuclear transmutation.

Accepted Answer

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

Question 2

The half-life of 14C is 5730 yr.Assuming some charcoal from a campfire 29,000 years old was found, what fraction of the original C-14 would remain today?

Accepted Answer

A) 3.0 × 10−2 
B) 0.20 
C) 3.5 
D) 0.33 
E) 0.29 
A) 3.0 × 10−2 
B) 0.20 
C) 3.5 
D) 0.33 
E) 0.29

Question 3

Identify the missing species in the following nuclear transmutation.U-238 + ? → 1 neutron + Fm-249

Accepted Answer

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

Question 4

What other particle is emitted when a neutron is converted to a proton in a nucleus?

Accepted Answer

A) Gamma particle 
B) Alpha particle 
C) Positron 
D) Beta particle 
E) None of the answers is correct. 
A) Gamma particle 
B) Alpha particle 
C) Positron 
D) Beta particle 
E) None of the answers is correct.

Question 5

Cesium-134 is a β emitter with a half-life of 2.0 years.How much of a 2.50-g sample of cesium-134 will remain after 10 years?

Accepted Answer

A) 0.0024 g 
B) 0.078 g 
C) 0.25 g 
D) 0.50 g 
E) 80.0 g 
A) 0.0024 g 
B) 0.078 g 
C) 0.25 g 
D) 0.50 g 
E) 80.0 g

Question 6

What fraction of radioactive atoms remains in a sample after six half-lives?

Accepted Answer

A) zero 
B) 1/6 
C) 1/16 
D) 1/32 
E) 1/64 
A) zero 
B) 1/6 
C) 1/16 
D) 1/32 
E) 1/64

Question 7

In the following reaction, identify X.

Accepted Answer

A) 7β 
B) 3α 
C) 4n 
D)    
E) 15p 
A) 7β 
B) 3α 
C) 4n 
D)    
E) 15p

Question 8

What is the name given to the nuclear process that results from the bombardment of nuclei by neutrons, protons, or other nuclei?

Accepted Answer

A) Nuclear transmutation 
B) Protonation 
C) Nucleation 
D) Nuclear condensation 
E) Radioactivity 
A) Nuclear transmutation 
B) Protonation 
C) Nucleation 
D) Nuclear condensation 
E) Radioactivity

Question 9

Estimate the age of a bottled wine that has a tritium, 3H, content 60% that of freshly bottled wine.Tritium decays by beta decay and has a half-life of 12.3 yr.

Accepted Answer

A) 0.029 yr 
B) 7.4 yr 
C) 9.1 yr 
D) 16 yr 
E) 35 yr 
A) 0.029 yr 
B) 7.4 yr 
C) 9.1 yr 
D) 16 yr 
E) 35 yr

Question 10

What is the nuclear process called where small nuclei are combined into larger ones?

Accepted Answer

A) Photonuclear reactions 
B) Nuclear fission 
C) Thermal conductivity 
D) Nuclear combination 
E) Nuclear fusion 
A) Photonuclear reactions 
B) Nuclear fission 
C) Thermal conductivity 
D) Nuclear combination 
E) Nuclear fusion

Question 11

When atoms of beryllium−9 are bombarded with alpha particles, neutrons are produced.What new isotope is also formed?

Accepted Answer

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

Question 12

Beta particles are identical to

Accepted Answer

A) protons. 
B) helium atoms. 
C) hydrogen atoms. 
D) helium nuclei. 
E) electrons. 
A) protons. 
B) helium atoms. 
C) hydrogen atoms. 
D) helium nuclei. 
E) electrons.

Question 13

Which is an incorrect representation of the indicated particle or nucleus?

Accepted Answer

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

Question 14

Identify the missing species in the following nuclear transmutation.

Accepted Answer

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

Question 15

When atoms of aluminum-27 are bombarded with alpha particles, a neutron and an element are produced.Which particular isotope of this element is formed?

Accepted Answer

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

Question 16

In the equation below, what particle or type of radiation needs to be included to balance the equation? 220Rn → ? + alpha particle

Accepted Answer

A) Ra-224 
B) Rn-224 
C) Rn-216 
D) At-220 
E) Po-216 
A) Ra-224 
B) Rn-224 
C) Rn-216 
D) At-220 
E) Po-216

Question 17

Which of the following is used to image the brain?

Accepted Answer

A) (18O) 
B) (131I) 
C) (123I) 
D) (24Na) 
E) (99Tc) 
A) (18O) 
B) (131I) 
C) (123I) 
D) (24Na) 
E) (99Tc)

Question 18

The only stable isotope of aluminum is aluminum-27.What type of radioactive decay should be expected from   ?

Accepted Answer

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

Identify the missing species in the following nuclear transmutation.

The half-life of ¹⁴C is 5730 yr.Assuming some charcoal from a campfire 29,000 years old was found, what fraction of the original C-14 would remain today?

Identify the missing species in the following nuclear transmutation.U-238 + ? → 1 neutron + Fm-249

What other particle is emitted when a neutron is converted to a proton in a nucleus?

Cesium-134 is a β emitter with a half-life of 2.0 years.How much of a 2.50-g sample of cesium-134 will remain after 10 years?

What fraction of radioactive atoms remains in a sample after six half-lives?

In the following reaction, identify X.

What is the name given to the nuclear process that results from the bombardment of nuclei by neutrons, protons, or other nuclei?

Estimate the age of a bottled wine that has a tritium, ³H, content 60% that of freshly bottled wine.Tritium decays by beta decay and has a half-life of 12.3 yr.

What is the nuclear process called where small nuclei are combined into larger ones?

When atoms of beryllium−9 are bombarded with alpha particles, neutrons are produced.What new isotope is also formed?

Beta particles are identical to

Which is an incorrect representation of the indicated particle or nucleus?

Identify the missing species in the following nuclear transmutation.

When atoms of aluminum-27 are bombarded with alpha particles, a neutron and an element are produced.Which particular isotope of this element is formed?

In the equation below, what particle or type of radiation needs to be included to balance the equation? ²²⁰Rn → ? + alpha particle

Which of the following is used to image the brain?

The only stable isotope of aluminum is aluminum-27.What type of radioactive decay should be expected from ?

Atoms and Elements

Electrons and the Periodic Table

Compounds and Chemical Bonds

How Chemists Use Numbers

The Mole and Chemical Formulas

Molecular Shape

Solids, Liquids, and Phase Changes

Gases

Physical Properties of Solutions

Chemical Reactions and Chemical Equations

Using Balanced Chemical Equations

Acids and Bases

Equilibrium

Organic Chemistry

Biochemistry

Electrochemistry

Filters

Exam 16: Nuclear Chemistry

Identify the missing species in the following nuclear transmutation.

The half-life of 14C is 5730 yr.Assuming some charcoal from a campfire 29,000 years old was found, what fraction of the original C-14 would remain today?

Identify the missing species in the following nuclear transmutation.U-238 + ? → 1 neutron + Fm-249

What other particle is emitted when a neutron is converted to a proton in a nucleus?

Cesium-134 is a β emitter with a half-life of 2.0 years.How much of a 2.50-g sample of cesium-134 will remain after 10 years?

What fraction of radioactive atoms remains in a sample after six half-lives?

In the following reaction, identify X.

What is the name given to the nuclear process that results from the bombardment of nuclei by neutrons, protons, or other nuclei?

Estimate the age of a bottled wine that has a tritium, 3H, content 60% that of freshly bottled wine.Tritium decays by beta decay and has a half-life of 12.3 yr.

What is the nuclear process called where small nuclei are combined into larger ones?

When atoms of beryllium−9 are bombarded with alpha particles, neutrons are produced.What new isotope is also formed?

Beta particles are identical to

Which is an incorrect representation of the indicated particle or nucleus?

Identify the missing species in the following nuclear transmutation.

When atoms of aluminum-27 are bombarded with alpha particles, a neutron and an element are produced.Which particular isotope of this element is formed?

In the equation below, what particle or type of radiation needs to be included to balance the equation? 220Rn → ? + alpha particle

Which of the following is used to image the brain?

The only stable isotope of aluminum is aluminum-27.What type of radioactive decay should be expected from ?

Atoms and Elements

Electrons and the Periodic Table

Compounds and Chemical Bonds

How Chemists Use Numbers

The Mole and Chemical Formulas

Molecular Shape

Solids, Liquids, and Phase Changes

Gases

Physical Properties of Solutions

Chemical Reactions and Chemical Equations

Using Balanced Chemical Equations

Acids and Bases

Equilibrium

Organic Chemistry

Biochemistry

Electrochemistry

Filters

The half-life of ¹⁴C is 5730 yr.Assuming some charcoal from a campfire 29,000 years old was found, what fraction of the original C-14 would remain today?

Estimate the age of a bottled wine that has a tritium, ³H, content 60% that of freshly bottled wine.Tritium decays by beta decay and has a half-life of 12.3 yr.

In the equation below, what particle or type of radiation needs to be included to balance the equation? ²²⁰Rn → ? + alpha particle