Chapter 0, Problem 36RQ

Interpretation Introduction

Interpretation:

The number of protons, electrons, and neutrons for the ${\text{Tc}}^{7+}$ atom of polyatomic ion ${\text{TcO}}_{\text{4}}{}^{-}$ and the ${}^{\text{99}}\text{Tc}$ that is used in medicine for imaging purposes contains mass $98.90625\text{ u}$ is to be determined.

Concept Introduction:

The atomic mass of an element is defined as the mass of an atom.

The atomic mass is equal to the total of number of protons and neutrons.