Crystals

A state of matter having a definite shape and definite volume.

• gas

• liquid

• plasma

• solid

The following are examples of crystalline solids EXCEPT:

• Clay

• Minerals

• Rubbers

• Salt

A state of matter that are considered incompressible.

• gas

• liquid

• plasma

• solid

Amorphous solid came from the Greek word "ámorphos", meaning:

Lattice units consist of  ions held together by  ionic bonds.

• Covalent Network Crystals

• Ionic Solids

• Metallic Solids

• Molecular Solids

Lattice units consist of  atoms held together by  covalent bonds.

• Atomic Solid

• Ionic Solid

• Metallic Solids

• Molecular Solids

They are good conductors of electricity.

• metals

• metalloids

• nonmetals

• ions

They have a random orientation of particles.

• Amorphous Solids

• Crystalline Solids

• Gases

• Plasma

Metallic crystals are composed of positively charged ____,  in a field of freely moving electrons. The atoms are held  together by metallic bonding.

Sodium chloride and menthol,  are composed of structural units arranged in fixed  geometric patterns or lattices called:

• Amorphous Solids

• Crystalline Solids

• Mixtures

• Pure Substances