physical properties-
Have high melting points.
Have high boiling points.
Tend to be soluble in water.
Conduct electricity in liquid form and in aqueous solution.
Are usually hard and brittle solids.
Have high enthalpies of fusion.
Have high enthalpies if vaporization.
Chemical properties-
Low boiling points and melting points.
Various colors.
Poor conductors of heat and electricity.
Brittle solids.
