Chapter 8, Problem 9E

(a)

Interpretation Introduction

To determine: If the statement “An element’s number of valence electrons is the same as its atomic number” is true or false.

(b)

Interpretation Introduction

To determine: Number of valence electrons in a nitrogen atom.

(c)

Interpretation Introduction

To determine: The number of valence electrons in the atom having electron configuration ${\text{1s}}^{\text{2}}{\text{2s}}^{\text{2}}{\text{2p}}^{\text{6}}{\text{3s}}^{\text{2}}{\text{3p}}^{\text{2}}$ .