Question

what are metals and nonmetals

Answer 1

Metals-Those substances through which electricity can pass.Ex-Copper,Alliminium and silver
Non-metals-Those substances through which electricity can not pass.For Ex-Oxygen

Answer 2

Difference between metals and non metals
1)Metals are usually hard whereas non metals are generally soft
2)Most metals have lustre(shine) whereas most non metal do not shine (exception diamond)
3)metas are malleable ( can be drawn into thin sheets like aluminium foil) whereas non metal are not malleable they break on hammering.
4)metals are ductile( can be drawn into wire like copper wire) where non metals are not ductile .
5)metals conduct electricity non metals do not.
6) metals are usually solid (exception mercury-liquid) non metals are usually liquid or gas