Question

which materials are called non-metals?????????

Answer 1

Answer:

Metals are lustrous whereas non-metals have no luster. Generally, metals are malleable and ductile.Non-metals do not have these properties. Generally, metals are good conductors of heat and electricity but non-metals are poor conductors. On burning, metals react with oxygen to produce metal oxides .

Explanation:

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Answer 2

Answer:

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They are not sonorous and are poor conductors of heat and electricity. These materials are called non-metals. The examples of non-metals are sulphur, carbon, oxygen, phosphorus, etc.

Explanation:

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