Chapter 18, Problem 3ST

Interpretation Introduction

Interpretation:

The option that corresponds to the particle that is emitted when an $\text{Ar-39}$ nucleus decays to $\text{K-39}$ is to be stated.

Concept Introduction:

The elements whose nucleus decays spontaneously are known as radioactive elements. The decay is accompanied by the emission of alpha particles, beta particles, and gamma rays. All the elements which have an atomic number greater than $83$ are radioactive.