Chapter 12, Problem 16DQ

Interpretation Introduction

Interpretation:Comparison of energy of hydrogen $1s$ orbital with lithium $1s$ orbital should be explained. Term energy of orbital and lower in energy should be explained.

Concept introduction: Quantum mechanical approach emphasizes on wave nature of electron to explain atom. It explains that electron can be defined as a wave function that is instead of localized to on point, it is delocalized over the space. This wave function is given by,

  $\widehat{H}\psi =E\psi$

Where,

• $\psi$ is wave function.
• $\widehat{H}$ is Hamiltonian operator.
• $E$ is total energy of atom.