Chapter 17, Problem 65E

Interpretation Introduction

Interpretation:

The blanks in the partial decay series are to be filled.

Concept Introduction: When an unstable nucleus emits a small part of itself that consists of 2 protons and 2 neutrons, it is known as an alpha decay $\left(\alpha \right)$.

During an alpha decay, mass number decreases by 4 and atomic number decreases by 2.

When an unstable nucleus emits an electron, it is known as beta decay $\left(\beta \right)$.

During beta decay, atomic number increases by 1.

When an unstable nucleus emits $\text{γ}$ radiation, there is no changes in atomic mass and mass number in parent nuclei.

When an unstable nucleus emits positron, the atomic number decreases by 1 and there are no changes in mass number.