CHEM 112- Forms of Solids

A description will be shown, and it must be classified as a type of solid (crystallin, amorphous, or fibrous) or a bond type (ionic, netwoek covalent, metallic, or molecular).,

Limited shapes

Crystal

“regular”

Crystal

what Bonds make crystals?

Ionic and come network covalent

“irregular”

Amorphous

Can take many shapes

Amorphous

Metallic or covalent bonds

Hard but brittle

Crystals

Ionic Bonds

Strong and Flexible

Fibers

Salt, Sand, Diamonds

Crystals

Glass, Metal, Plastic

Amorphous

Wool, Cotton, Polyester

Fibers

Anions and Cations

Ionic Bonds

High melting points (3 bond types)

Ionic, Covalent, Metallic bonds

Lattice Shape

Ionic Bonds

Hard and Strong

Network Covalent (Amorphous)

Held together by intermolecular forces

Molecular Bonds, Some fibers

Low hardness

Molecular bonds, Fibers

What bonds make amorphous solids?

Network covalent, metallic, and some molecular

What bonds make up fibers?

molecular