Chapter 2.7, Problem 1RCF

Interpretation Introduction

Interpretation:

The reason why the name for ${\text{SeCl}}_{\text{2}}$ is selenium dichloride has a prefix but the name for ${\text{SrCl}}_{\text{2}}$ is strontium chloride has to be explained.

Concept Introduction:

Ionic compound:

The chemical compound made up of ions held together by electrostatic force of attraction (ionic bonding).  The positively charged ions are called cation and negatively charged ions are called anions.  The compound is overall neutral.  Other words, metal is bonded with non-metals in an ionic compound.

Molecular compound:

Generally, non-metals are bonded to non-metals in molecular compound.