Chapter 25, Problem 30PS

### Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

Chapter
Section

### Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

# Predict the probable mode of decay for each of the following radioactive isotopes, and write an equation to show the products of decay. (a) manganese-54 (b) americium-241 (c) silver-110 (d) mercury-197m

(a)

Interpretation Introduction

Interpretation: Probable mode of decay of manganese-54 and the equation for this radioactive decay has to be given

Concept introduction:

Radioactive decay: It is the process in which a radioactive nucleus loses its energy by the emission of radiations namely, beta particle, alpha particle

Common particles in radioactive decay and nuclear transformations are mentioned below,

ParticleSymbolProton11Hor11PNeutron01nElectron-10eAlphaparticle24Heor24αBetaparticle-10eor-10βPositron10e

There are various types of nuclear processes. The changes in atomic number and mass number accompanying radioactive decay are mentioned below,

TypeofDecaySymbolchargeMassChangeinatomicnumberChangeinmassnumberBeta-10eor-10β-10+1nonePositron+10e+10-1noneAlpha24Heor24α+24-2-4Gamma00γ00nonenone

Explanation

The radioactive isotope of manganese-54 is transmuted to iron-56 along with the emission of a proton.

The equation for this radioactive decay is given below:

M2554n+

(b)

Interpretation Introduction

Interpretation: Probable mode of decay of silver-110 and the equation for this radioactive decay has to be given

Concept introduction:

Radioactive decay: It is the process in which a radioactive nucleus loses its energy by the emission of radiations namely, beta particle, alpha particle

Common particles in radioactive decay and nuclear transformations are mentioned below,

ParticleSymbolProton11Hor11PNeutron01nElectron-10eAlphaparticle24Heor24αBetaparticle-10eor-10βPositron10e

There are various types of nuclear processes. The changes in atomic number and mass number accompanying radioactive decay are mentioned below,

TypeofDecaySymbolchargeMassChangeinatomicnumberChangeinmassnumberBeta-10eor-10β-10+1nonePositron+10e+10-1noneAlpha24Heor24α+24-2-4Gamma00γ00nonenone

(c)

Interpretation Introduction

Interpretation: Probable mode of decay of americium-241 and the equation for this radioactive decay has to be given

Concept introduction:

Radioactive decay: It is the process in which a radioactive nucleus loses its energy by the emission of radiations namely, beta particle, alpha particle

Common particles in radioactive decay and nuclear transformations are mentioned below,

ParticleSymbolProton11Hor11PNeutron01nElectron-10eAlphaparticle24Heor24αBetaparticle-10eor-10βPositron10e

There are various types of nuclear processes. The changes in atomic number and mass number accompanying radioactive decay are mentioned below,

TypeofDecaySymbolchargeMassChangeinatomicnumberChangeinmassnumberBeta-10eor-10β-10+1nonePositron+10e+10-1noneAlpha24Heor24α+24-2-4Gamma00γ00nonenone

(d)

Interpretation Introduction

Interpretation: Probable mode of decay of mercury-197m and the equation for this radioactive decay has to be given

Concept introduction:

Radioactive decay: It is the process in which a radioactive nucleus loses its energy by the emission of radiations namely, beta particle, alpha particle

Common particles in radioactive decay and nuclear transformations are mentioned below,

ParticleSymbolProton11Hor11PNeutron01nElectron-10eAlphaparticle24Heor24αBetaparticle-10eor-10βPositron10e

There are various types of nuclear processes. The changes in atomic number and mass number accompanying radioactive decay are mentioned below,

TypeofDecaySymbolchargeMassChangeinatomicnumberChangeinmassnumberBeta-10eor-10β-10+1nonePositron+10e+10-1noneAlpha24Heor24α+24-2-4Gamma00γ00nonenone

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