S.No.Metals Non−metals 1. Metals are lustrous i.e they have shiny surface. Non−metals do have shiny surface so they are non−lustrous.2. Metals are ductile i.e. they can be drawn into wires. Non−metals cannot be drawn into wires so they are non−ductile.3. Metals are good conductor of heat and electricity. Non−metals are bad conductor of heat and electricity.4. Metals are malleable i.e. they can be hammered into thin sheets. Non−metals cannot be hammered into thin sheets so they are non−malleable.5. Metals are sonorous i.e. they produce ringing sound when struck. Non−metals do not produce ringing sound when struck so they are non−sonorous.