Chapter 8, Problem 54E

(a)

Interpretation Introduction

To determine: Whether the ${\text{ns}}^2$ outer electron configuration belongs to a noble gas or a metalloid.

(b)

Interpretation Introduction

To determine: Whether the ${\text{ns}}^{\text{2}}{\text{np}}^{\text{6}}$ outer electron configuration belongs to a noble gas or a metalloid.

(c)

Interpretation Introduction

To determine: Whether the ${\text{ns}}^{\text{2}}{\text{np}}^{\text{5}}$ outer electron configuration belongs to a noble gas or a metalloid.

(d)

Interpretation Introduction

To determine: Whether the ${\text{ns}}^{\text{2}}{\text{np}}^{\text{2}}$ outer electron configuration belongs to a noble gas or a metalloid.