Chapter 12, Problem 14DQ

Interpretation Introduction

Interpretation:Line that separates metals and nonmetals on periodic table should be explained.

Concept introductionIonization energy represents energy required for removal of outermost valence electron from gaseous atom. It can be represented by I .

  $\text{A}\to {\text{A}}^{+}+1e^{-}$

Easiest removal nature of electron in elements represents their metallic nature.