Chapter 11, Problem 2ALQ

Interpretation Introduction

Interpretation:

The term orbital should be defined.

Concept Introduction:

Bohr’s model is applicable for hydrogen atom and hydrogen-like species. The ions ${\text{He}}^{+},{\text{Li}}^{2+}\text{and}{\text{Be}}^{3+}$ contain one electron due to which this model is applicable for these ions as well.