What are non - metals......??
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Explanation:
Those materials which do not possess the characteristics of metals are termed as non-metal. Materials like coal and sulphur are soft and dull in appearance. They break down into powdery mass on tapping with hammer. They are non-sonorous and are poor conductors of heat and electricity.
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Answer:
➡ non-metal is a chemical element that does not have metal's properties. Some gases include hydrogen, helium, oxygen, nitrogen, fluorine, neon, or radon and many more.
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