Question 1

Heavy elements are more likely to give off $\alpha$ radiation.

Accepted Answer

A) True 
 B)False  True

Question 2

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 modern source.

Question 3

How many nucleons does boron-11 contain?

Accepted Answer

A)  6 
B)  10 
C)  5 
D)  11 
E)  16 
A)  6 
B)  10 
C)  5 
D)  11 
E)  16 D

Question 4

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 5

In the 238U decay series, there are 8 $\alpha$ particles and 6 $\beta$ particles lost starting with $\alpha$ emission from 238U.What is the final product?

Accepted Answer

A)  207Pb 
B)  210Po 
C)  210Bi 
D)  208Pb 
E)  206Pb 
A)  207Pb 
B)  210Po 
C)  210Bi 
D)  208Pb 
E)  206Pb

Question 6

Calculate the energy change when one 235U nucleus undergoes the fission reaction
235U + n $\rightarrow$142Ba + 92Kr + 2n
The masses needed are 235U,235.04 u; 142Ba,141.92 u; 92Kr,91.92 u; n,1.0087 u.

Accepted Answer

A)  -3.2 * 10-28 J 
B)  +1.8 * 10-10 J 
C)  -1.7 * 10-10 J 
D)  +2.9 * 10-11 J 
E)  -2.8 * 10-11 J 
A)  -3.2 * 10-28 J 
B)  +1.8 * 10-10 J 
C)  -1.7 * 10-10 J 
D)  +2.9 * 10-11 J 
E)  -2.8 * 10-11 J

Question 7

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 8

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 9

The nuclide 7Be decays by electron capture.

Accepted Answer

A) True 
 B)False

Question 10

Nuclides that lie below the band of stability are proton rich and can form more stable nuclei by _______________,___________________,and __________________.

Accepted Answer

@#LAT-DLM&S1U1P1+S1S1P0 emission,

Question 11

The nuclear binding energy for lithium-7 is the energy released in the nuclear reaction

Accepted Answer

A)  31H + 7n $\rarr$ 7Li. 
B)  6Li + n $\rarr$ 7Li. 
C)  31H + 4$\beta$ $\rarr$ 7Li. 
D)  31H + 4n $\rarr$7Li. 
E)  71H $\rarr$ 7Li. 
A)  31H + 7n $\rarr$ 7Li. 
B)  6Li + n $\rarr$ 7Li. 
C)  31H + 4$\beta$ $\rarr$ 7Li. 
D)  31H + 4n $\rarr$7Li. 
E)  71H $\rarr$ 7Li.

Question 12

Cobalt-60, used in the radiation treatment of cancer,Is produced by absorption of 2 neutrons and emission of a $\beta$particle.What is the starting nuclide?

Accepted Answer

A)  58Mn 
B)  58Ni 
C)  58Fe 
D)  59Co 
E)  59Fe 
A)  58Mn 
B)  58Ni 
C)  58Fe 
D)  59Co 
E)  59Fe

Question 13

The nuclear equation for the disintegration of In-116 produces Sn-116 and

Accepted Answer

A)  a positron. 
B)  helium-4. 
C)  a neutron. 
D)  gamma rays. 
E)  an electron. 
A)  a positron. 
B)  helium-4. 
C)  a neutron. 
D)  gamma rays. 
E)  an electron.

Question 14

An $\alpha$ particle corresponds to

Accepted Answer

A)  ${ } _ { 2 } ^ { 4 } \mathrm { He }$   
B)  ${ } _ { 1 } ^ { 1 } \mathrm { H } ^ { + } \text {. }$ 
C)  ${ } _ { 1 } ^ { 0 } \mathrm { e }$ 
D)  ${ } _ { - 1 } ^ { 0 } \mathrm { e } .$ 
E)  ${ } _ { 2 } ^ { 4 } \mathrm { He } ^ { 2 + }$ 
A)  ${ } _ { 2 } ^ { 4 } \mathrm { He }$   
B)  ${ } _ { 1 } ^ { 1 } \mathrm { H } ^ { + } \text {. }$ 
C)  ${ } _ { 1 } ^ { 0 } \mathrm { e }$ 
D)  ${ } _ { - 1 } ^ { 0 } \mathrm { e } .$ 
E)  ${ } _ { 2 } ^ { 4 } \mathrm { He } ^ { 2 + }$

Question 15

Predict the mode of decay and product for Fe-59.

Accepted Answer

A)  $\beta$ decay and Co-59 
B)  $\beta$ decay and Co-60 
C)  $\alpha$ decay and Ni-63 
D)  $\alpha$ decay and Ni-61 
E)  Positron emission and Mn-59 
A)  $\beta$ decay and Co-59 
B)  $\beta$ decay and Co-60 
C)  $\alpha$ decay and Ni-63 
D)  $\alpha$ decay and Ni-61 
E)  Positron emission and Mn-59

Question 16

What type of reaction is it when a neutron becomes a proton,and the result is a nucleus that changes from Z to Z+1?

Accepted Answer

The answer of What type of reaction is it when...

Question 17

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 18

What nuclide is formed when 234Th undergoes $\beta$ decay?

Accepted Answer

A)  232Pu 
B)  234Pa 
C)  234U 
D)  233Th 
E)  230Rn 
A)  232Pu 
B)  234Pa 
C)  234U 
D)  233Th 
E)  230Rn

Question 19

Heavy elements are more likely to give off $\beta$ radiation.

Accepted Answer

A) True 
 B)False

Question 20

Elements with an odd number of protons and neutrons

Accepted Answer

A)  are usually stable. 
B)  are usually unstable. 
C)  never undergo $\alpha$ emission. 
D)  always have a proton-to-neutron ratio of about 1. 
E)  have a magic number of protons or neutrons. 
A)  are usually stable. 
B)  are usually unstable. 
C)  never undergo $\alpha$ emission. 
D)  always have a proton-to-neutron ratio of about 1. 
E)  have a magic number of protons or neutrons.

Heavy elements are more likely to give off $\alpha$ radiation.

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.

How many nucleons does boron-11 contain?

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

In the ²³⁸U decay series, there are 8 $\alpha$ particles and 6 $\beta$ particles lost starting with $\alpha$ emission from ²³⁸U.What is the final product?

Calculate the energy change when one ²³⁵U nucleus undergoes the fission reaction ²³⁵U + n $\rightarrow$ ¹⁴²Ba + ⁹²Kr + 2n The masses needed are ²³⁵U,235.04 u; ¹⁴²Ba,141.92 u; ⁹²Kr,91.92 u; n,1.0087 u.

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.

Which of the following is most penetrating?

The nuclide ⁷Be decays by electron capture.

Nuclides that lie below the band of stability are proton rich and can form more stable nuclei by _____,_,and __________.

The nuclear binding energy for lithium-7 is the energy released in the nuclear reaction

Cobalt-60, used in the radiation treatment of cancer,Is produced by absorption of 2 neutrons and emission of a $\beta$ particle.What is the starting nuclide?

The nuclear equation for the disintegration of In-116 produces Sn-116 and

An $\alpha$ particle corresponds to

Predict the mode of decay and product for Fe-59.

What type of reaction is it when a neutron becomes a proton,and the result is a nucleus that changes from Z to Z+1?

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

What nuclide is formed when ²³⁴Th undergoes $\beta$ decay?

Heavy elements are more likely to give off $\beta$ radiation.

Elements with an odd number of protons and neutrons

Atoms

Molecules

States of Matter

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Organic Chemistry

Filters

Exam 10: Nuclear Chemistry

Heavy elements are more likely to give off α\alphaα radiation.

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.

How many nucleons does boron-11 contain?

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

In the 238U decay series, there are 8 α\alphaα particles and 6 β\betaβ particles lost starting with α\alphaα emission from 238U.What is the final product?

Calculate the energy change when one 235U nucleus undergoes the fission reaction 235U + n →\rightarrow→ 142Ba + 92Kr + 2n The masses needed are 235U,235.04 u; 142Ba,141.92 u; 92Kr,91.92 u; n,1.0087 u.

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.

Which of the following is most penetrating?

The nuclide 7Be decays by electron capture.

Nuclides that lie below the band of stability are proton rich and can form more stable nuclei by _______________,___________________,and __________________.

The nuclear binding energy for lithium-7 is the energy released in the nuclear reaction

Cobalt-60, used in the radiation treatment of cancer,Is produced by absorption of 2 neutrons and emission of a β\betaβ particle.What is the starting nuclide?

The nuclear equation for the disintegration of In-116 produces Sn-116 and

An α\alphaα particle corresponds to

Predict the mode of decay and product for Fe-59.

What type of reaction is it when a neutron becomes a proton,and the result is a nucleus that changes from Z to Z+1?

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

What nuclide is formed when 234Th undergoes β\betaβ decay?

Heavy elements are more likely to give off β\betaβ radiation.

Elements with an odd number of protons and neutrons

Atoms

Molecules

States of Matter

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Organic Chemistry

Filters

Heavy elements are more likely to give off $\alpha$ radiation.

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?

In the ²³⁸U decay series, there are 8 $\alpha$ particles and 6 $\beta$ particles lost starting with $\alpha$ emission from ²³⁸U.What is the final product?

Calculate the energy change when one ²³⁵U nucleus undergoes the fission reaction ²³⁵U + n $\rightarrow$ ¹⁴²Ba + ⁹²Kr + 2n The masses needed are ²³⁵U,235.04 u; ¹⁴²Ba,141.92 u; ⁹²Kr,91.92 u; n,1.0087 u.

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.

The nuclide ⁷Be decays by electron capture.

Nuclides that lie below the band of stability are proton rich and can form more stable nuclei by _____,_,and __________.

Cobalt-60, used in the radiation treatment of cancer,Is produced by absorption of 2 neutrons and emission of a $\beta$ particle.What is the starting nuclide?

An $\alpha$ particle corresponds to

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

What nuclide is formed when ²³⁴Th undergoes $\beta$ decay?

Heavy elements are more likely to give off $\beta$ radiation.