Chapter 5, Problem 19PE

(a)

Interpretation Introduction

Interpretation:

The isotopic notation symbol for $\text{Z=29, A=65}$ has to be given.

Concept Introduction:

Mass number is the sum of the protons and neutrons in the nucleus.

Atomic number is the number of protons present in the nucleus.

For an element $\text{E,}$ the top left number represents the mass number and the bottom left number represents the atomic number.

The letter A represents mass number.

The letter Z represents atomic number.

(b)

Interpretation Introduction

Interpretation:

The isotopic notation symbol for $\text{Z=20, A=45}$ has to be given.

Concept Introduction:

Refer to part (a).

(c)

Interpretation Introduction

Interpretation:

The isotopic notation symbol for $\text{Z=36, A=84}$ has to be given.

Concept Introduction:

Refer to part (a).