Chapter 21, Problem 21.52QP

Interpretation Introduction

Interpretation: The reason for considering ${}^{\text{137}}\text{Cs}$ dangerous to human health and naturally occurring ${}^{\text{40}}\text{K}$ as benign is to be stated.

Concept introduction: Radioactive ${}^{\text{137}}\text{Cs}$ is dangerous for health because it can substitute for potassium ion in the body. It can also be incorporated into plants.

To determine: The reason for considering ${}^{\text{137}}\text{Cs}$ dangerous to human health and naturally occurring ${}^{\text{40}}\text{K}$ as benign.