Properties of Ionic Solids and Molecular Compounds

Ionic solids are room temperature are shiny, hard, _____, solids.

In water, ionic solids are usually....

• highly soluble

• not soluble

• barely soluble

What type of solids will conduct electricity when they are dissolved?

• ionic

• molecular

Melting points of ionic solids are typically....

• high

• low

What causes ionic solids to dissolve in water?

• ion-dipole forces

• shared electrons

What causes ionic solids to have high boiling points and high melting points?

• bonds are strong

• bonds are easily dissolved

• bonds break apart easily

• dipole charges

At room temperature, molecular compounds are soft solids, _____, or gases.

The solubility of molecular compounds depends on the molecules...

• polarity

• composition

• ion forces

• state of matter

Select all the properties of molecular compounds.

• low melting point

• poor conductors

• usually soluble

• good conductors

• high boiling points

Allotropes are difference crystalline forms of the

same _____ but different structures.