Chapter 9.2, Problem 9.10P

(a)

Interpretation Introduction

Interpretation:

The balanced nuclear reaction for the positron emission of Aresenic-74 has to be given.

Concept Introduction:

Positron decay reaction:

Positron particles are electrons (electrons with positive electric charge).  Positron decay occurs when in a nucleus with too many protons or too many neutrons, one of the protons or neutrons is transformed into the other.

  ${{}_{\text{Z}}}^{\text{A}}\text{X}{\stackrel{}{\to }}_{\text{Z-1}}{}^{\text{A}}{\text{X+}}_{\text{+1}}{}^{\text{0}}\text{e}$

(b)

Interpretation Introduction

Interpretation:

The balanced nuclear reaction for the positron emission of Oxygen-15 has to be given.

Concept Introduction:

Refer to part (a).