Metals and nonmetals
Low Melting Point
Poor conductor of electricity
Two ions of the same charge are attracted to each other.
Two ions of different charges are attracted to each other.
Two atoms share electrons.
Two atoms share protons.
Metals and non-metals
There is a difference in atoms involved.
Covalent bonds gain/lose electrons while ionic bonds share electrons.
Ionic bonds are only made in water.
Covalent bonds share electrons and in ionic bonds the atom will gain/lose electrons.