Chapter 18, Problem 89E

Interpretation Introduction

Interpretation: The formulas of ${\text{RnF}}_{\text{x}}$ compound needs to be determined.

Concept Introduction:

In the Long form of periodic table, the non-metals are mainly placed at the right side of the periodic table that is called as p-block elements.

Noble gases are the gaseous elements which are placed in the group-0 or group-18 of the periodic table. They are considered as the most stable elements as they have completely filled octet configuration as their valence shell configuration ( ${\text{ns}}^{\text{2}}{\text{, np}}^{\text{6}}$ ) except He.