Question

define metal , nonmetal and metalloids

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Answer 1

Answer:

metal- metals are elements that have properties of malleability, lustrous, ductility, hardness, etc.. ex - iron , copper, gold, lead, tin ,etc.

non metals - non metals are those elements that are non malleable, non ductile, non sonorous, soft , non lustrous, etc. ex- carbon, oxygen, etc.

metalloid- it refers to the elements that show the property of both metal and non metal.

Answer 2

Answer:

METAL:- Metal is a substance which is lustrous, sonority,ductility and is a good conductor of heat and electricity.

NON-METAL:- A substance which are soft and dull i,e non-lustrous, non-sonority, non-ductility, non-malleability and poor conductor of heat and electricity are called non-metals.

METALLIODS:- An element whose properties are intermediates between those of metals and solid non-metals or semi conductors.