The stability of the given nuclide is to be predicted. The type of radioactivity of the unstable nuclide is to be stated. Concept introduction: The nuclides having the neutron to proton ratio close to 1 are the stable nuclide. Nuclides, having the neutron to proton ratio greater or lesser than 1 , are unstable. They become stable by the emission of particles. To determine: The stability of the 19 45 K nuclides and type of radioactivity.

Question

Calculate the atomic packing factor of diamond knowing that the number of Si atoms per cm3 is 2.66·1022 and that the atomic radii of silicon and oxygen are, respectively, 0.038 and 0.117 nm.

Answer 1

Question

Chapter 18, Problem 59AE

(a)

Interpretation Introduction

Interpretation: The stability of the given nuclide is to be predicted. The type of radioactivity of the unstable nuclide is to be stated.

Concept introduction: The nuclides having the neutron to proton ratio close to 1 are the stable nuclide. Nuclides, having the neutron to proton ratio greater or lesser than 1 , are unstable. They become stable by the emission of particles.

To determine: The stability of the 1945K nuclides and type of radioactivity.

(b)

Interpretation Introduction

Interpretation: The stability of the given nuclide is to be predicted. The type of radioactivity of the unstable nuclide is to be stated.

Concept introduction: The nuclides having the neutron to proton ratio close to 1 are the stable nuclide. Nuclides, having the neutron to proton ratio greater or lesser than 1 , are unstable. They become stable by the emission of particles.

To determine: The stability of the 2656Fe nuclides and type of radioactivity.

(c)

Interpretation Introduction

Interpretation: The stability of the given nuclide is to be predicted. The type of radioactivity of the unstable nuclide is to be stated.

Concept introduction: The nuclides having the neutron to proton ratio close to 1 are the stable nuclide. Nuclides, having the neutron to proton ratio greater or lesser than 1 , are unstable. They become stable by the emission of particles.

To determine: The stability of the 1120Na nuclides and type of radioactivity.

(d)

Interpretation Introduction

Interpretation: The stability of the given nuclide is to be predicted. The type of radioactivity of the unstable nuclide is to be stated.

Concept introduction: The nuclides having the neutron to proton ratio close to 1 are the stable nuclide. Nuclides, having the neutron to proton ratio greater or lesser than 1 , are unstable. They become stable by the emission of particles.

To determine: The stability of the 81194Tl nuclides and type of radioactivity.

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Calculate the atomic packing factor of diamond knowing that the number of Si atoms per cm3 is 2.66·1022 and that the atomic radii of silicon and oxygen are, respectively, 0.038 and 0.117 nm.

A pdf file of your hand drawn, stepwise mechanisms for the reactions. For each reaction in the assignment, you must write each mechanism three times (there are 10 reactions, so 30 mechanisms). (A) do the work on a tablet and save as a pdf., it is expected to write each mechanism out and NOT copy and paste the mechanism after writing it just once. Everything should be drawn out stepwise and every bond that is formed and broken in the process of the reaction, and is expected to see all relevant lone pair electrons and curved arrows. Aldol: NaOH HO H Δ NaOH Δ

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Answer 2

Question

Chapter 18, Problem 59AE

(a)

Interpretation Introduction

Interpretation: The stability of the given nuclide is to be predicted. The type of radioactivity of the unstable nuclide is to be stated.

Concept introduction: The nuclides having the neutron to proton ratio close to 1 are the stable nuclide. Nuclides, having the neutron to proton ratio greater or lesser than 1 , are unstable. They become stable by the emission of particles.

To determine: The stability of the 1945K nuclides and type of radioactivity.

(b)

Interpretation Introduction

Interpretation: The stability of the given nuclide is to be predicted. The type of radioactivity of the unstable nuclide is to be stated.

Concept introduction: The nuclides having the neutron to proton ratio close to 1 are the stable nuclide. Nuclides, having the neutron to proton ratio greater or lesser than 1 , are unstable. They become stable by the emission of particles.

To determine: The stability of the 2656Fe nuclides and type of radioactivity.

(c)

Interpretation Introduction

Interpretation: The stability of the given nuclide is to be predicted. The type of radioactivity of the unstable nuclide is to be stated.

Concept introduction: The nuclides having the neutron to proton ratio close to 1 are the stable nuclide. Nuclides, having the neutron to proton ratio greater or lesser than 1 , are unstable. They become stable by the emission of particles.

To determine: The stability of the 1120Na nuclides and type of radioactivity.

(d)

Interpretation Introduction

Interpretation: The stability of the given nuclide is to be predicted. The type of radioactivity of the unstable nuclide is to be stated.

Concept introduction: The nuclides having the neutron to proton ratio close to 1 are the stable nuclide. Nuclides, having the neutron to proton ratio greater or lesser than 1 , are unstable. They become stable by the emission of particles.

To determine: The stability of the 81194Tl nuclides and type of radioactivity.

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Answer 3

Question

Chapter 18, Problem 59AE

(a)

Interpretation Introduction

Interpretation: The stability of the given nuclide is to be predicted. The type of radioactivity of the unstable nuclide is to be stated.

Concept introduction: The nuclides having the neutron to proton ratio close to 1 are the stable nuclide. Nuclides, having the neutron to proton ratio greater or lesser than 1 , are unstable. They become stable by the emission of particles.

To determine: The stability of the 1945K nuclides and type of radioactivity.

(b)

Interpretation Introduction

Interpretation: The stability of the given nuclide is to be predicted. The type of radioactivity of the unstable nuclide is to be stated.

Concept introduction: The nuclides having the neutron to proton ratio close to 1 are the stable nuclide. Nuclides, having the neutron to proton ratio greater or lesser than 1 , are unstable. They become stable by the emission of particles.

To determine: The stability of the 2656Fe nuclides and type of radioactivity.

(c)

Interpretation Introduction

Interpretation: The stability of the given nuclide is to be predicted. The type of radioactivity of the unstable nuclide is to be stated.

Concept introduction: The nuclides having the neutron to proton ratio close to 1 are the stable nuclide. Nuclides, having the neutron to proton ratio greater or lesser than 1 , are unstable. They become stable by the emission of particles.

To determine: The stability of the 1120Na nuclides and type of radioactivity.

(d)

Interpretation Introduction

Interpretation: The stability of the given nuclide is to be predicted. The type of radioactivity of the unstable nuclide is to be stated.

Concept introduction: The nuclides having the neutron to proton ratio close to 1 are the stable nuclide. Nuclides, having the neutron to proton ratio greater or lesser than 1 , are unstable. They become stable by the emission of particles.

To determine: The stability of the 81194Tl nuclides and type of radioactivity.

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Answer 4

Question

Chapter 18, Problem 59AE

(a)

Interpretation Introduction

Interpretation: The stability of the given nuclide is to be predicted. The type of radioactivity of the unstable nuclide is to be stated.

Concept introduction: The nuclides having the neutron to proton ratio close to 1 are the stable nuclide. Nuclides, having the neutron to proton ratio greater or lesser than 1 , are unstable. They become stable by the emission of particles.

To determine: The stability of the 1945K nuclides and type of radioactivity.

(b)

Interpretation Introduction

Interpretation: The stability of the given nuclide is to be predicted. The type of radioactivity of the unstable nuclide is to be stated.

Concept introduction: The nuclides having the neutron to proton ratio close to 1 are the stable nuclide. Nuclides, having the neutron to proton ratio greater or lesser than 1 , are unstable. They become stable by the emission of particles.

To determine: The stability of the 2656Fe nuclides and type of radioactivity.

(c)

Interpretation Introduction

Interpretation: The stability of the given nuclide is to be predicted. The type of radioactivity of the unstable nuclide is to be stated.

Concept introduction: The nuclides having the neutron to proton ratio close to 1 are the stable nuclide. Nuclides, having the neutron to proton ratio greater or lesser than 1 , are unstable. They become stable by the emission of particles.

To determine: The stability of the 1120Na nuclides and type of radioactivity.

(d)

Interpretation Introduction

Interpretation: The stability of the given nuclide is to be predicted. The type of radioactivity of the unstable nuclide is to be stated.

Concept introduction: The nuclides having the neutron to proton ratio close to 1 are the stable nuclide. Nuclides, having the neutron to proton ratio greater or lesser than 1 , are unstable. They become stable by the emission of particles.

To determine: The stability of the 81194Tl nuclides and type of radioactivity.

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Answer 5

Chapter 18, Problem 59AE

(a)

Interpretation Introduction

Interpretation: The stability of the given nuclide is to be predicted. The type of radioactivity of the unstable nuclide is to be stated.

Concept introduction: The nuclides having the neutron to proton ratio close to 1 are the stable nuclide. Nuclides, having the neutron to proton ratio greater or lesser than 1 , are unstable. They become stable by the emission of particles.

To determine: The stability of the 1945K nuclides and type of radioactivity.

(b)

Interpretation Introduction

Interpretation: The stability of the given nuclide is to be predicted. The type of radioactivity of the unstable nuclide is to be stated.

Concept introduction: The nuclides having the neutron to proton ratio close to 1 are the stable nuclide. Nuclides, having the neutron to proton ratio greater or lesser than 1 , are unstable. They become stable by the emission of particles.

To determine: The stability of the 2656Fe nuclides and type of radioactivity.

(c)

Interpretation Introduction

Interpretation: The stability of the given nuclide is to be predicted. The type of radioactivity of the unstable nuclide is to be stated.

Concept introduction: The nuclides having the neutron to proton ratio close to 1 are the stable nuclide. Nuclides, having the neutron to proton ratio greater or lesser than 1 , are unstable. They become stable by the emission of particles.

To determine: The stability of the 1120Na nuclides and type of radioactivity.

(d)

Interpretation Introduction

Interpretation: The stability of the given nuclide is to be predicted. The type of radioactivity of the unstable nuclide is to be stated.

Concept introduction: The nuclides having the neutron to proton ratio close to 1 are the stable nuclide. Nuclides, having the neutron to proton ratio greater or lesser than 1 , are unstable. They become stable by the emission of particles.

To determine: The stability of the 81194Tl nuclides and type of radioactivity.

Answer 6

Chapter 18, Problem 59AE

(a)

Interpretation Introduction

Interpretation: The stability of the given nuclide is to be predicted. The type of radioactivity of the unstable nuclide is to be stated.

Concept introduction: The nuclides having the neutron to proton ratio close to 1 are the stable nuclide. Nuclides, having the neutron to proton ratio greater or lesser than 1 , are unstable. They become stable by the emission of particles.

To determine: The stability of the 1945K nuclides and type of radioactivity.

Answer 7

Chapter 18, Problem 59AE

(a)

Interpretation Introduction

Interpretation: The stability of the given nuclide is to be predicted. The type of radioactivity of the unstable nuclide is to be stated.

Concept introduction: The nuclides having the neutron to proton ratio close to 1 are the stable nuclide. Nuclides, having the neutron to proton ratio greater or lesser than 1 , are unstable. They become stable by the emission of particles.

To determine: The stability of the 1945K nuclides and type of radioactivity.

Answer 8

(b)

Interpretation Introduction

Interpretation: The stability of the given nuclide is to be predicted. The type of radioactivity of the unstable nuclide is to be stated.

Concept introduction: The nuclides having the neutron to proton ratio close to 1 are the stable nuclide. Nuclides, having the neutron to proton ratio greater or lesser than 1 , are unstable. They become stable by the emission of particles.

To determine: The stability of the 2656Fe nuclides and type of radioactivity.

Answer 9

(b)

Interpretation Introduction

Interpretation: The stability of the given nuclide is to be predicted. The type of radioactivity of the unstable nuclide is to be stated.

Concept introduction: The nuclides having the neutron to proton ratio close to 1 are the stable nuclide. Nuclides, having the neutron to proton ratio greater or lesser than 1 , are unstable. They become stable by the emission of particles.

To determine: The stability of the 2656Fe nuclides and type of radioactivity.

Answer 10

(c)

Interpretation Introduction

Interpretation: The stability of the given nuclide is to be predicted. The type of radioactivity of the unstable nuclide is to be stated.

Concept introduction: The nuclides having the neutron to proton ratio close to 1 are the stable nuclide. Nuclides, having the neutron to proton ratio greater or lesser than 1 , are unstable. They become stable by the emission of particles.

To determine: The stability of the 1120Na nuclides and type of radioactivity.

Answer 11

(c)

Interpretation Introduction

Interpretation: The stability of the given nuclide is to be predicted. The type of radioactivity of the unstable nuclide is to be stated.

Concept introduction: The nuclides having the neutron to proton ratio close to 1 are the stable nuclide. Nuclides, having the neutron to proton ratio greater or lesser than 1 , are unstable. They become stable by the emission of particles.

To determine: The stability of the 1120Na nuclides and type of radioactivity.

Answer 12

(d)

Interpretation Introduction

Interpretation: The stability of the given nuclide is to be predicted. The type of radioactivity of the unstable nuclide is to be stated.

Concept introduction: The nuclides having the neutron to proton ratio close to 1 are the stable nuclide. Nuclides, having the neutron to proton ratio greater or lesser than 1 , are unstable. They become stable by the emission of particles.

To determine: The stability of the 81194Tl nuclides and type of radioactivity.

Answer 13

(d)

Interpretation Introduction

Interpretation: The stability of the given nuclide is to be predicted. The type of radioactivity of the unstable nuclide is to be stated.

Concept introduction: The nuclides having the neutron to proton ratio close to 1 are the stable nuclide. Nuclides, having the neutron to proton ratio greater or lesser than 1 , are unstable. They become stable by the emission of particles.

To determine: The stability of the 81194Tl nuclides and type of radioactivity.

Answer 14

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Answer 25

Ch. 18 - Prob. 1RQ Ch. 18 - Prob. 2RQ Ch. 18 - Prob. 3RQ Ch. 18 - Prob. 4RQ Ch. 18 - Prob. 5RQ Ch. 18 - Prob. 6RQ Ch. 18 - Prob. 7RQ Ch. 18 - Prob. 8RQ Ch. 18 - Prob. 9RQ Ch. 18 - Prob. 10RQ

Solution Summary: The author analyzes the stability of the given nuclide and the type of radioactivity of it.

Chapter 18 Solutions