Question 1

Use the law of radioactive decay to determine the activity of a 2.0-$\mu$g sample of Tc-99, t½ = 2.2 * 105 y.

Accepted Answer

A)  1.0 Ci 
B)  1.0 * 10-6 Ci 
C)  1.5 Ci 
D)  3.3 *10-8 Ci 
E)  3.3 * 10-2 Ci 
A)  1.0 Ci 
B)  1.0 * 10-6 Ci 
C)  1.5 Ci 
D)  3.3 *10-8 Ci 
E)  3.3 * 10-2 Ci

Question 2

What is the element produced when 83Sr undergoes positron emission?

Accepted Answer

A)  Kr 
B)  Br 
C)  Rb 
D)  Zr 
E)  Y 
A)  Kr 
B)  Br 
C)  Rb 
D)  Zr 
E)  Y

Question 3

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 4

Why does the band of stability curve upward at high atomic number?

Accepted Answer

Excess neutrons are

Question 5

Which of the following is likely to lie above the band of stability?

Accepted Answer

A)  O-15 
B)  Ca-39 
C)  He-3 
D)  Li-9 
E)  N-13 
A)  O-15 
B)  Ca-39 
C)  He-3 
D)  Li-9 
E)  N-13

Question 6

The nuclear binding energy for iron-56 is the energy released in the nuclear reaction

Accepted Answer

A)  261H + 30$\beta$ $\rarr$56Fe 
B)  561H $\rarr$56Fe 
C)  55Fe + n $\rarr$ 56Fe 
D)  261H + 56n $\rarr$ 56Fe 
E)  261H + 30n $\rarr$ 56Fe 
A)  261H + 30$\beta$ $\rarr$56Fe 
B)  561H $\rarr$56Fe 
C)  55Fe + n $\rarr$ 56Fe 
D)  261H + 56n $\rarr$ 56Fe 
E)  261H + 30n $\rarr$ 56Fe

Question 7

Technetium-99m,a "metastable" nuclide of Tc is produced by the reaction_____$\rightarrow$99mTc +$\beta$
What is the starting nuclide?

Accepted Answer

Question 8

In the following equations, fill in the missing species.
(a)
___ + ${ } _ { - 1 } ^ { 0 } \mathrm { e }$$\rightarrow$ 7Li
(b)
9Li $\rightarrow$ ___ + ${ } _ { - 1 } ^ { 0 } \mathrm { e }$

Accepted Answer

Question 9

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

Accepted Answer

A)  24Na 
B)  47K 
C)  14C 
D)  232Th 
E)  3H 
A)  24Na 
B)  47K 
C)  14C 
D)  232Th 
E)  3H

Question 10

What do all nuclear fusion reaction have in common?

Accepted Answer

A)  The splitting of a heavy atom to two atoms with lighter nuclei. 
B)  The combining of two nuclei to make a heavier product. 
C)  The addition of a proton or positron to an atom to form a new atom. 
D)  The release of energy when a large atom breaks down. 
E)  Nothing; there are too many types of fusion for any common factor. 
A)  The splitting of a heavy atom to two atoms with lighter nuclei. 
B)  The combining of two nuclei to make a heavier product. 
C)  The addition of a proton or positron to an atom to form a new atom. 
D)  The release of energy when a large atom breaks down. 
E)  Nothing; there are too many types of fusion for any common factor.

Question 11

For the fusion of two deuterium atoms to produce helium-4,the difference in mass between products and reactants is -0.0256 u.What is E per mole of helium?

Accepted Answer

2.30 * 10<

Question 12

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 13

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

Accepted Answer

A) True 
 B)False

Question 14

Which of the following nuclei is stable?

Accepted Answer

A)  120Sn 
B)  213Fr 
C)  38Cl 
D)  24Na 
E)  15O 
A)  120Sn 
B)  213Fr 
C)  38Cl 
D)  24Na 
E)  15O

Question 15

What nuclide undergoes $\alpha$ decay to produce the daughter nuclide polonium-218 (Z = 84)?

Accepted Answer

A)  radon-222 
B)  radium-226 
C)  polonium-222 
D)  polonium-214 
E)  radon-226 
A)  radon-222 
B)  radium-226 
C)  polonium-222 
D)  polonium-214 
E)  radon-226

Question 16

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

Use the law of radioactive decay to determine the activity of a 2.0- $\mu$ g sample of Tc-99, t_½ = 2.2 * 10⁵ y.

What is the element produced when ⁸³Sr undergoes positron emission?

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

Why does the band of stability curve upward at high atomic number?

Which of the following is likely to lie above the band of stability?

The nuclear binding energy for iron-56 is the energy released in the nuclear reaction

Technetium-99m,a "metastable" nuclide of Tc is produced by the reaction_____ $\rightarrow$ ^99mTc + $\beta$ What is the starting nuclide?

In the following equations, fill in the missing species. (a) ___ + ${ } _ { - 1 } ^ { 0 } \mathrm { e }$ $\rightarrow$ ⁷Li (b) ⁹Li $\rightarrow$ ___ + ${ } _ { - 1 } ^ { 0 } \mathrm { e }$

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

What do all nuclear fusion reaction have in common?

For the fusion of two deuterium atoms to produce helium-4,the difference in mass between products and reactants is -0.0256 u.What is E per mole of helium?

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

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

Which of the following nuclei is stable?

What nuclide undergoes $\alpha$ decay to produce the daughter nuclide polonium-218 (Z = 84)?

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

Atoms

Molecules

States of Matter

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Organic Chemistry

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Exam 10: Nuclear Chemistry

Use the law of radioactive decay to determine the activity of a 2.0- μ\muμ g sample of Tc-99, t½ = 2.2 * 105 y.

What is the element produced when 83Sr undergoes positron emission?

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

Why does the band of stability curve upward at high atomic number?

Which of the following is likely to lie above the band of stability?

The nuclear binding energy for iron-56 is the energy released in the nuclear reaction

Technetium-99m,a "metastable" nuclide of Tc is produced by the reaction_____ →\rightarrow→ 99mTc + β\betaβ What is the starting nuclide?

In the following equations, fill in the missing species. (a) ___ + −10e{ } _ { - 1 } ^ { 0 } \mathrm { e }−10​e→\rightarrow→ 7Li (b) 9Li →\rightarrow→ ___ + −10e{ } _ { - 1 } ^ { 0 } \mathrm { e }−10​e

Which of the following is most likely to undergo α\alphaα decay?

What do all nuclear fusion reaction have in common?

For the fusion of two deuterium atoms to produce helium-4,the difference in mass between products and reactants is -0.0256 u.What is E per mole of helium?

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

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

Which of the following nuclei is stable?

What nuclide undergoes α\alphaα decay to produce the daughter nuclide polonium-218 (Z = 84)?

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

Atoms

Molecules

States of Matter

Thermodynamics

Equilibrium

Reactions

Kinetics

The Main-Group Elements

The D-Block Elements

Organic Chemistry

Filters

Use the law of radioactive decay to determine the activity of a 2.0- $\mu$ g sample of Tc-99, t_½ = 2.2 * 10⁵ y.

What is the element produced when ⁸³Sr undergoes positron emission?

Technetium-99m,a "metastable" nuclide of Tc is produced by the reaction_____ $\rightarrow$ ^99mTc + $\beta$ What is the starting nuclide?

In the following equations, fill in the missing species. (a) ___ + ${ } _ { - 1 } ^ { 0 } \mathrm { e }$ $\rightarrow$ ⁷Li (b) ⁹Li $\rightarrow$ ___ + ${ } _ { - 1 } ^ { 0 } \mathrm { e }$

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

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

What nuclide undergoes $\alpha$ decay to produce the daughter nuclide polonium-218 (Z = 84)?

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