Chapter 8, Problem 8.4E

(a)

Interpretation Introduction

Interpretation:

The statement “four elements in group 16 are non-metals” has to be indicated as true or false.

(b)

Interpretation Introduction

Interpretation:

The statement “${\text{H}}_{\text{2}}{\text{SeO}}_{\text{3}}$ is a stronger acid than ${\text{H}}_{\text{2}}{\text{SO}}_{\text{3}}$” has to be indicated as true or false.

(c)

Interpretation Introduction

Interpretation:

The statement “oxides of all elements are acidic” has to be indicated as true or false.