Chapter 9.2, Problem 9.1PP

(a)

Interpretation Introduction

Interpretation:

Given nuclear equation below has to be completed.

    $\text{?}\stackrel{}{\to }\text{H}\text{e}\text{+}\text{R}\text{n}$

Concept Introduction:

Missing particle in a nuclear equation can be found by calculating the mass number balance and atomic number balance.  In a nuclear equation, the sum of mass number and sum of atomic number has to be equal on both sides of the equation.

(b)

Interpretation Introduction

Interpretation:

Given nuclear equation below has to be completed.

    $\text{B}\stackrel{}{\to }\text{L}\text{i}\text{+}\text{?}$

Concept Introduction:

Refer part (a).