Question 1

Radioactive decay is a

Accepted Answer

A) first-order process. 
B) second-order process. 
C) nonspontaneous process. 
D) temperature-dependent process. 
E) zero-order process. 
A) first-order process. 
B) second-order process. 
C) nonspontaneous process. 
D) temperature-dependent process. 
E) zero-order process.

Question 2

Boron neutron capture therapy is used to destroy tumors.In this reaction,10B absorbs a slow neutron to produce 11B*,which produces $\alpha$ particles and __________ plus high-energy photons.

Accepted Answer

The answer of Boron neutron capture therapy is used to...

Question 3

What is the product of the emission of a $\beta$ particle from K-40?

Accepted Answer

The answer of What is the product of the emission...

Question 4

All the following are predicted to be unstable except

Accepted Answer

A) Ca-40 
B) N-16 
C) Na-24 
D) O-15 
A) Ca-40 
B) N-16 
C) Na-24 
D) O-15

Question 5

For the thermonuclear reaction
D + T $\rightarrow$  4He + n
the difference in mass between products and reactants is -0.0189 u.What is $\Delta$E per mole of helium?

Accepted Answer

1.70 * 10<

Question 6

A 1.00-g sample of carbon from a modern source gave 15.3 disintegrations per minute.A sample of carbon from a presumably old source gave 920 disintegrations per hour.What is the age of the "old" sample of carbon? The half-life of carbon-14 is 5.73 * 103 yr.

Accepted Answer

This is a

Question 7

The outcomes of positron emission and electron capture are the same: the atomic number is reduced by 1.

Accepted Answer

A) True 
 B)False

Question 8

What nuclide is formed when 24Na undergoes $\beta$ decay?

Accepted Answer

A) 28S 
B) 24Ne 
C) 28P 
D) 24Mg 
A) 28S 
B) 24Ne 
C) 28P 
D) 24Mg

Question 9

In the following equations,fill in the missing species.
(a)___ +   $\rightarrow$ 7Li
(b)9Li $\rightarrow$ ___ +

Accepted Answer

(a)<sup>7<

Question 10

Which of the following is most likely to undergo $\beta$ decay?

Accepted Answer

A) 222Rn 
B) 11Li 
C) 235U 
D) 114Cs 
E) 226Ra 
A) 222Rn 
B) 11Li 
C) 235U 
D) 114Cs 
E) 226Ra

Question 11

The U-238 decay series ends at Pb-206.Which processes are used in this radioactive series to reach Pb-206?

Accepted Answer

A) $\alpha$-particle and positron emission 
B) $\alpha$-particle emission only 
C) $\alpha$-particle and $\beta$-particle emission 
D) Positron emission only 
E) $\beta$-particle emission only 
A) $\alpha$-particle and positron emission 
B) $\alpha$-particle emission only 
C) $\alpha$-particle and $\beta$-particle emission 
D) Positron emission only 
E) $\beta$-particle emission only

Question 12

When 131I emits a $\beta$ particle,what nuclide is produced?

Accepted Answer

A) 130I 
B) 127Sb 
C) 131Xe 
D) 131Te 
E) 130Te 
A) 130I 
B) 127Sb 
C) 131Xe 
D) 131Te 
E) 130Te

Question 13

A nuclide undergoes proton emission to form 52Fe.What is the nuclide?

Accepted Answer

A) 52Mn 
B) 53Fe 
C) 56Ni 
D) 52Co 
E) 53Co 
A) 52Mn 
B) 53Fe 
C) 56Ni 
D) 52Co 
E) 53Co

Question 14

Which of the following is most penetrating?

Accepted Answer

A) $\alpha$ 
B) $\beta$ 
C) $\beta$+  
D) p 
E) n 
A) $\alpha$ 
B) $\beta$ 
C) $\beta$+  
D) p 
E) n

Question 15

The binding energy of a nucleus is

Accepted Answer

A) the energy evolved when a nucleus breaks up into fundamental particles. 
B) the energy released when protons and neutrons come together to form a nucleus. 
C) related to the number of electrons in a nucleus. 
D) the energy required to eject one neutron from the nucleus. 
E) related to the mass lost in a chemical reaction. 
A) the energy evolved when a nucleus breaks up into fundamental particles. 
B) the energy released when protons and neutrons come together to form a nucleus. 
C) related to the number of electrons in a nucleus. 
D) the energy required to eject one neutron from the nucleus. 
E) related to the mass lost in a chemical reaction.

Question 16

If a nuclide lies above the band of stability,it should decay by

Accepted Answer

A) Such nuclides do not decay. 
B) $\beta$-particle emission. 
C) positron emission. 
D) neutron emission. 
E) $\alpha$-particle emission. 
A) Such nuclides do not decay. 
B) $\beta$-particle emission. 
C) positron emission. 
D) neutron emission. 
E) $\alpha$-particle emission.

Question 17

The nuclide 29P decays by ejecting a $\beta$ particle.

Accepted Answer

A) True 
 B)False

Question 18

Measurement by carbon-14 dating assumes that the proportion of C-14 in the atmosphere now and when the sample was alive is the same.

Accepted Answer

A) True 
 B)False

Question 19

Nuclides that lie below the band of stability decay by positron emission,electron capture,or proton emission.

Accepted Answer

A) True 
 B)False

Question 20

A nuclide emits a $\beta$ particle to form 24Mg.What is the nuclide?

Accepted Answer

A) 20Ne 
B) 22Na 
C) 22F 
D) 22Ne 
E) 24Na 
A) 20Ne 
B) 22Na 
C) 22F 
D) 22Ne 
E) 24Na

Radioactive decay is a

Boron neutron capture therapy is used to destroy tumors.In this reaction,¹⁰B absorbs a slow neutron to produce ¹¹B^*,which produces $\alpha$ particles and __________ plus high-energy photons.

What is the product of the emission of a $\beta$ particle from K-40?

All the following are predicted to be unstable except

For the thermonuclear reaction D + T $\rightarrow$ ⁴He + n the difference in mass between products and reactants is -0.0189 u.What is $\Delta$ E per mole of helium?

A 1.00-g sample of carbon from a modern source gave 15.3 disintegrations per minute.A sample of carbon from a presumably old source gave 920 disintegrations per hour.What is the age of the "old" sample of carbon? The half-life of carbon-14 is 5.73 * 10³ yr.

The outcomes of positron emission and electron capture are the same: the atomic number is reduced by 1.

What nuclide is formed when ²⁴Na undergoes $\beta$ decay?

Which of the following is most likely to undergo $\beta$ decay?

The U-238 decay series ends at Pb-206.Which processes are used in this radioactive series to reach Pb-206?

When ¹³¹I emits a $\beta$ particle,what nuclide is produced?

A nuclide undergoes proton emission to form ⁵²Fe.What is the nuclide?

Which of the following is most penetrating?

The binding energy of a nucleus is

If a nuclide lies above the band of stability,it should decay by

The nuclide ²⁹P decays by ejecting a $\beta$ particle.

Measurement by carbon-14 dating assumes that the proportion of C-14 in the atmosphere now and when the sample was alive is the same.

Nuclides that lie below the band of stability decay by positron emission,electron capture,or proton emission.

A nuclide emits a $\beta$ particle to form ²⁴Mg.What is the nuclide?

The Quantum World

Quantum Mechanics in Action: Atoms

Chemical Bonds

Molecular Shape and Structure

The Properties of Gases

Liquids and Solids

Inorganic Materials

Thermodynamics: The First Law

Thermodynamics: The Second and Third Laws

Physical Equilibria

Chemical Equilibria

Acids and Bases

Aqueous Equilibria

Electrochemistry

Chemical Kinetics

The Elements: the Main Group Elements

The Elements: The D Block

Organic Chemistry I

Organic Chemistry II

Filters

Exam 18: Nuclear Chemistry

Radioactive decay is a

Boron neutron capture therapy is used to destroy tumors.In this reaction,10B absorbs a slow neutron to produce 11B*,which produces α\alphaα particles and __________ plus high-energy photons.

What is the product of the emission of a β\betaβ particle from K-40?

All the following are predicted to be unstable except

For the thermonuclear reaction D + T →\rightarrow→ 4He + n the difference in mass between products and reactants is -0.0189 u.What is Δ\DeltaΔ E per mole of helium?

A 1.00-g sample of carbon from a modern source gave 15.3 disintegrations per minute.A sample of carbon from a presumably old source gave 920 disintegrations per hour.What is the age of the "old" sample of carbon? The half-life of carbon-14 is 5.73 * 103 yr.

The outcomes of positron emission and electron capture are the same: the atomic number is reduced by 1.

What nuclide is formed when 24Na undergoes β\betaβ decay?

In the following equations,fill in the missing species. (a)___ + →\rightarrow→ 7Li (b)9Li →\rightarrow→ ___ +

Which of the following is most likely to undergo β\betaβ decay?

The U-238 decay series ends at Pb-206.Which processes are used in this radioactive series to reach Pb-206?

When 131I emits a β\betaβ particle,what nuclide is produced?

A nuclide undergoes proton emission to form 52Fe.What is the nuclide?

Which of the following is most penetrating?

The binding energy of a nucleus is

If a nuclide lies above the band of stability,it should decay by

The nuclide 29P decays by ejecting a β\betaβ particle.

Measurement by carbon-14 dating assumes that the proportion of C-14 in the atmosphere now and when the sample was alive is the same.

Nuclides that lie below the band of stability decay by positron emission,electron capture,or proton emission.

A nuclide emits a β\betaβ particle to form 24Mg.What is the nuclide?

The Quantum World

Quantum Mechanics in Action: Atoms

Chemical Bonds

Molecular Shape and Structure

The Properties of Gases

Liquids and Solids

Inorganic Materials

Thermodynamics: The First Law

Thermodynamics: The Second and Third Laws

Physical Equilibria

Chemical Equilibria

Acids and Bases

Aqueous Equilibria

Electrochemistry

Chemical Kinetics

The Elements: the Main Group Elements

The Elements: The D Block

Organic Chemistry I

Organic Chemistry II

Filters

Boron neutron capture therapy is used to destroy tumors.In this reaction,¹⁰B absorbs a slow neutron to produce ¹¹B^*,which produces $\alpha$ particles and __________ plus high-energy photons.

What is the product of the emission of a $\beta$ particle from K-40?

For the thermonuclear reaction D + T $\rightarrow$ ⁴He + n the difference in mass between products and reactants is -0.0189 u.What is $\Delta$ E per mole of helium?

A 1.00-g sample of carbon from a modern source gave 15.3 disintegrations per minute.A sample of carbon from a presumably old source gave 920 disintegrations per hour.What is the age of the "old" sample of carbon? The half-life of carbon-14 is 5.73 * 10³ yr.

What nuclide is formed when ²⁴Na undergoes $\beta$ decay?

Which of the following is most likely to undergo $\beta$ decay?

When ¹³¹I emits a $\beta$ particle,what nuclide is produced?

A nuclide undergoes proton emission to form ⁵²Fe.What is the nuclide?

The nuclide ²⁹P decays by ejecting a $\beta$ particle.

A nuclide emits a $\beta$ particle to form ²⁴Mg.What is the nuclide?