Metals are usually hard solids, lustrous, ductile, malleable, good conductors of heat and electricity, have high melting and boiling points,
Examples of metals: Iron(Fe), Copper(Cu), Silver(Ag).
Nonmetals
Non-metals usually have a dull surface, soft solids, brittle, low melting point and boiling points, bad conductors of heat and electricity, etc. properties.
They are bad conductors of electricity.
Carbon, sulfur, oxygen, and hydrogen are some examples of nonmetals.
Except for bromine, which is a liquid, the nonmetals are either gases or solid.