Chapter 18, Problem 1PE

(a)

Interpretation Introduction

Interpretation:

Number of neutrons, protons, and nucleons in ${}_{82}^{207}\text{Pb}$ has to be determined.

Concept Introduction:

Representation of nucleide is as follows:

  ${}_Z^A\text{X}$

Here,

$A$ is the mass or nucleon number.

$Z$ is the atomic number.

$\text{X}$ is the symbol of the element.

(b)

Interpretation Introduction

Interpretation:

Number of neutrons, protons, and nucleons in ${}_{31}^{70}\text{Ga}$ has to be determined.

Concept Introduction:

Refer to part (a).