Whether K 19 45 is stable or not needs to be determined and if unstable, the type of radioactive decay that will take place needs to be determined. Concept Introduction : A nucleus is unstable if the ratio of number of protons to number of neutrons is not equal. In such cases, it will dissociate to smaller fragments that is stable and in the process releases alpha, beta or gamma particles. If the ratio of number of protons to number of neutrons is less or equal to 1, then positron is released and if the ratio is more than 1 then beta particle is released.

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Answer 1

Question

Chapter 20, Problem 14E

(a)

Interpretation Introduction

Interpretation:

Whether K1945 is stable or not needs to be determined and if unstable, the type of radioactive decay that will take place needs to be determined.

Concept Introduction:

A nucleus is unstable if the ratio of number of protons to number of neutrons is not equal. In such cases, it will dissociate to smaller fragments that is stable and in the process releases alpha, beta or gamma particles. If the ratio of number of protons to number of neutrons is less or equal to 1, then positron is released and if the ratio is more than 1 then beta particle is released.

(b)

Interpretation Introduction

Whether F2656e is stable or not needs to be determined and if unstable, the type of radioactive decay that will take place needs to be determined.

Concept Introduction:

A radioactive decay takes place when the ratio of number of protons to number of neutrons is not equal in a nucleus and is considered unstable. In such cases, there is dissociation to smaller fragments to make them stable with the release of alpha, beta or gamma particles. If the ratio of number of protons to number of neutrons is more than 1 then beta particle is released and if less than 1, then positron is released.

(c)

Interpretation Introduction

Whether N1120a is stable or not needs to be determined and if unstable, the type of radioactive decay that will take place needs to be determined.

Concept Introduction:

If the ratio of number of protons to number of neutrons in unstable nucleus is not equal, it undergoes dissociation to give smaller stable fragments releasing alpha, beta or gamma particles. If the ratio of number of protons to number of neutrons is less or equal to 1, then positron is released and if the ratio is more than 1 then beta particle is released.

d)

Interpretation Introduction

Interpretation:

Whether T81194l is stable or not needs to be determined and if unstable, the type of radioactive decay that will take place needs to be determined.

Concept Introduction:

A nucleus is unstable if the ratio of number of protons to number of neutrons is not equal. In such cases, it will dissociate to smaller fragments that is stable and in the process releases alpha, beta or gamma particles. If the ratio of number of protons to number of neutrons is less or equal to 1, then positron is released and if the ratio is more than 1 then beta particle is released.

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4. Provide a clear arrow-pushing mechanism for each of the following reactions. Do not skip proton transfers, do not combine steps, and make sure your arrows are clear enough to be interpreted without ambiguity. a. 2. 1. LDA 3. H3O+ HO

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2. Provide reagents/conditions to accomplish the following syntheses. More than one step is required in some cases. a. CH3

Answer 2

Question

Chapter 20, Problem 14E

(a)

Interpretation Introduction

Interpretation:

Whether K1945 is stable or not needs to be determined and if unstable, the type of radioactive decay that will take place needs to be determined.

Concept Introduction:

A nucleus is unstable if the ratio of number of protons to number of neutrons is not equal. In such cases, it will dissociate to smaller fragments that is stable and in the process releases alpha, beta or gamma particles. If the ratio of number of protons to number of neutrons is less or equal to 1, then positron is released and if the ratio is more than 1 then beta particle is released.

(b)

Interpretation Introduction

Whether F2656e is stable or not needs to be determined and if unstable, the type of radioactive decay that will take place needs to be determined.

Concept Introduction:

A radioactive decay takes place when the ratio of number of protons to number of neutrons is not equal in a nucleus and is considered unstable. In such cases, there is dissociation to smaller fragments to make them stable with the release of alpha, beta or gamma particles. If the ratio of number of protons to number of neutrons is more than 1 then beta particle is released and if less than 1, then positron is released.

(c)

Interpretation Introduction

Whether N1120a is stable or not needs to be determined and if unstable, the type of radioactive decay that will take place needs to be determined.

Concept Introduction:

If the ratio of number of protons to number of neutrons in unstable nucleus is not equal, it undergoes dissociation to give smaller stable fragments releasing alpha, beta or gamma particles. If the ratio of number of protons to number of neutrons is less or equal to 1, then positron is released and if the ratio is more than 1 then beta particle is released.

d)

Interpretation Introduction

Interpretation:

Whether T81194l is stable or not needs to be determined and if unstable, the type of radioactive decay that will take place needs to be determined.

Concept Introduction:

A nucleus is unstable if the ratio of number of protons to number of neutrons is not equal. In such cases, it will dissociate to smaller fragments that is stable and in the process releases alpha, beta or gamma particles. If the ratio of number of protons to number of neutrons is less or equal to 1, then positron is released and if the ratio is more than 1 then beta particle is released.

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Answer 3

Question

Chapter 20, Problem 14E

(a)

Interpretation Introduction

Interpretation:

Whether K1945 is stable or not needs to be determined and if unstable, the type of radioactive decay that will take place needs to be determined.

Concept Introduction:

A nucleus is unstable if the ratio of number of protons to number of neutrons is not equal. In such cases, it will dissociate to smaller fragments that is stable and in the process releases alpha, beta or gamma particles. If the ratio of number of protons to number of neutrons is less or equal to 1, then positron is released and if the ratio is more than 1 then beta particle is released.

(b)

Interpretation Introduction

Whether F2656e is stable or not needs to be determined and if unstable, the type of radioactive decay that will take place needs to be determined.

Concept Introduction:

A radioactive decay takes place when the ratio of number of protons to number of neutrons is not equal in a nucleus and is considered unstable. In such cases, there is dissociation to smaller fragments to make them stable with the release of alpha, beta or gamma particles. If the ratio of number of protons to number of neutrons is more than 1 then beta particle is released and if less than 1, then positron is released.

(c)

Interpretation Introduction

Whether N1120a is stable or not needs to be determined and if unstable, the type of radioactive decay that will take place needs to be determined.

Concept Introduction:

If the ratio of number of protons to number of neutrons in unstable nucleus is not equal, it undergoes dissociation to give smaller stable fragments releasing alpha, beta or gamma particles. If the ratio of number of protons to number of neutrons is less or equal to 1, then positron is released and if the ratio is more than 1 then beta particle is released.

d)

Interpretation Introduction

Interpretation:

Whether T81194l is stable or not needs to be determined and if unstable, the type of radioactive decay that will take place needs to be determined.

Concept Introduction:

A nucleus is unstable if the ratio of number of protons to number of neutrons is not equal. In such cases, it will dissociate to smaller fragments that is stable and in the process releases alpha, beta or gamma particles. If the ratio of number of protons to number of neutrons is less or equal to 1, then positron is released and if the ratio is more than 1 then beta particle is released.

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Answer 4

Question

Chapter 20, Problem 14E

(a)

Interpretation Introduction

Interpretation:

Whether K1945 is stable or not needs to be determined and if unstable, the type of radioactive decay that will take place needs to be determined.

Concept Introduction:

A nucleus is unstable if the ratio of number of protons to number of neutrons is not equal. In such cases, it will dissociate to smaller fragments that is stable and in the process releases alpha, beta or gamma particles. If the ratio of number of protons to number of neutrons is less or equal to 1, then positron is released and if the ratio is more than 1 then beta particle is released.

(b)

Interpretation Introduction

Whether F2656e is stable or not needs to be determined and if unstable, the type of radioactive decay that will take place needs to be determined.

Concept Introduction:

A radioactive decay takes place when the ratio of number of protons to number of neutrons is not equal in a nucleus and is considered unstable. In such cases, there is dissociation to smaller fragments to make them stable with the release of alpha, beta or gamma particles. If the ratio of number of protons to number of neutrons is more than 1 then beta particle is released and if less than 1, then positron is released.

(c)

Interpretation Introduction

Whether N1120a is stable or not needs to be determined and if unstable, the type of radioactive decay that will take place needs to be determined.

Concept Introduction:

If the ratio of number of protons to number of neutrons in unstable nucleus is not equal, it undergoes dissociation to give smaller stable fragments releasing alpha, beta or gamma particles. If the ratio of number of protons to number of neutrons is less or equal to 1, then positron is released and if the ratio is more than 1 then beta particle is released.

d)

Interpretation Introduction

Interpretation:

Whether T81194l is stable or not needs to be determined and if unstable, the type of radioactive decay that will take place needs to be determined.

Concept Introduction:

A nucleus is unstable if the ratio of number of protons to number of neutrons is not equal. In such cases, it will dissociate to smaller fragments that is stable and in the process releases alpha, beta or gamma particles. If the ratio of number of protons to number of neutrons is less or equal to 1, then positron is released and if the ratio is more than 1 then beta particle is released.

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Answer 5

Chapter 20, Problem 14E

(a)

Interpretation Introduction

Interpretation:

Whether K1945 is stable or not needs to be determined and if unstable, the type of radioactive decay that will take place needs to be determined.

Concept Introduction:

A nucleus is unstable if the ratio of number of protons to number of neutrons is not equal. In such cases, it will dissociate to smaller fragments that is stable and in the process releases alpha, beta or gamma particles. If the ratio of number of protons to number of neutrons is less or equal to 1, then positron is released and if the ratio is more than 1 then beta particle is released.

(b)

Interpretation Introduction

Whether F2656e is stable or not needs to be determined and if unstable, the type of radioactive decay that will take place needs to be determined.

Concept Introduction:

A radioactive decay takes place when the ratio of number of protons to number of neutrons is not equal in a nucleus and is considered unstable. In such cases, there is dissociation to smaller fragments to make them stable with the release of alpha, beta or gamma particles. If the ratio of number of protons to number of neutrons is more than 1 then beta particle is released and if less than 1, then positron is released.

(c)

Interpretation Introduction

Whether N1120a is stable or not needs to be determined and if unstable, the type of radioactive decay that will take place needs to be determined.

Concept Introduction:

If the ratio of number of protons to number of neutrons in unstable nucleus is not equal, it undergoes dissociation to give smaller stable fragments releasing alpha, beta or gamma particles. If the ratio of number of protons to number of neutrons is less or equal to 1, then positron is released and if the ratio is more than 1 then beta particle is released.

d)

Interpretation Introduction

Interpretation:

Whether T81194l is stable or not needs to be determined and if unstable, the type of radioactive decay that will take place needs to be determined.

Concept Introduction:

A nucleus is unstable if the ratio of number of protons to number of neutrons is not equal. In such cases, it will dissociate to smaller fragments that is stable and in the process releases alpha, beta or gamma particles. If the ratio of number of protons to number of neutrons is less or equal to 1, then positron is released and if the ratio is more than 1 then beta particle is released.

Answer 6

Chapter 20, Problem 14E

(a)

Interpretation Introduction

Interpretation:

Whether K1945 is stable or not needs to be determined and if unstable, the type of radioactive decay that will take place needs to be determined.

Concept Introduction:

A nucleus is unstable if the ratio of number of protons to number of neutrons is not equal. In such cases, it will dissociate to smaller fragments that is stable and in the process releases alpha, beta or gamma particles. If the ratio of number of protons to number of neutrons is less or equal to 1, then positron is released and if the ratio is more than 1 then beta particle is released.

Answer 7

Chapter 20, Problem 14E

(a)

Interpretation Introduction

Interpretation:

Whether K1945 is stable or not needs to be determined and if unstable, the type of radioactive decay that will take place needs to be determined.

Concept Introduction:

A nucleus is unstable if the ratio of number of protons to number of neutrons is not equal. In such cases, it will dissociate to smaller fragments that is stable and in the process releases alpha, beta or gamma particles. If the ratio of number of protons to number of neutrons is less or equal to 1, then positron is released and if the ratio is more than 1 then beta particle is released.

Answer 8

(b)

Interpretation Introduction

Whether F2656e is stable or not needs to be determined and if unstable, the type of radioactive decay that will take place needs to be determined.

Concept Introduction:

A radioactive decay takes place when the ratio of number of protons to number of neutrons is not equal in a nucleus and is considered unstable. In such cases, there is dissociation to smaller fragments to make them stable with the release of alpha, beta or gamma particles. If the ratio of number of protons to number of neutrons is more than 1 then beta particle is released and if less than 1, then positron is released.

Answer 9

(b)

Interpretation Introduction

Whether F2656e is stable or not needs to be determined and if unstable, the type of radioactive decay that will take place needs to be determined.

Concept Introduction:

A radioactive decay takes place when the ratio of number of protons to number of neutrons is not equal in a nucleus and is considered unstable. In such cases, there is dissociation to smaller fragments to make them stable with the release of alpha, beta or gamma particles. If the ratio of number of protons to number of neutrons is more than 1 then beta particle is released and if less than 1, then positron is released.

Answer 10

(c)

Interpretation Introduction

Whether N1120a is stable or not needs to be determined and if unstable, the type of radioactive decay that will take place needs to be determined.

Concept Introduction:

If the ratio of number of protons to number of neutrons in unstable nucleus is not equal, it undergoes dissociation to give smaller stable fragments releasing alpha, beta or gamma particles. If the ratio of number of protons to number of neutrons is less or equal to 1, then positron is released and if the ratio is more than 1 then beta particle is released.

Answer 11

(c)

Interpretation Introduction

Whether N1120a is stable or not needs to be determined and if unstable, the type of radioactive decay that will take place needs to be determined.

Concept Introduction:

If the ratio of number of protons to number of neutrons in unstable nucleus is not equal, it undergoes dissociation to give smaller stable fragments releasing alpha, beta or gamma particles. If the ratio of number of protons to number of neutrons is less or equal to 1, then positron is released and if the ratio is more than 1 then beta particle is released.

Answer 12

d)

Interpretation Introduction

Interpretation:

Whether T81194l is stable or not needs to be determined and if unstable, the type of radioactive decay that will take place needs to be determined.

Concept Introduction:

A nucleus is unstable if the ratio of number of protons to number of neutrons is not equal. In such cases, it will dissociate to smaller fragments that is stable and in the process releases alpha, beta or gamma particles. If the ratio of number of protons to number of neutrons is less or equal to 1, then positron is released and if the ratio is more than 1 then beta particle is released.

Answer 13

d)

Interpretation Introduction

Interpretation:

Whether T81194l is stable or not needs to be determined and if unstable, the type of radioactive decay that will take place needs to be determined.

Concept Introduction:

A nucleus is unstable if the ratio of number of protons to number of neutrons is not equal. In such cases, it will dissociate to smaller fragments that is stable and in the process releases alpha, beta or gamma particles. If the ratio of number of protons to number of neutrons is less or equal to 1, then positron is released and if the ratio is more than 1 then beta particle is released.

Answer 14

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Answer 15

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Answer 16

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Answer 17

Ch. 20 - Prob. 1E Ch. 20 - Prob. 2E Ch. 20 - Prob. 3E Ch. 20 - Prob. 4E Ch. 20 - Prob. 5E Ch. 20 - Prob. 6E Ch. 20 - Prob. 7E Ch. 20 - Prob. 8E Ch. 20 - Prob. 9E Ch. 20 - Prob. 10E

Solution Summary: The author explains that a nucleus is unstable if the ratio of number of protons and neutrons is not equal and releases alpha, beta or gamma particles.

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Chapter 20 Solutions