what are the types of pure substance ? explain metals and nonmetals with its properties
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The substances that are free from any kind of mixture and contain only one kind of particle are pure substances. Examples of pure substances are iron, aluminum, silver and gold.
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Answer:
There are two types of pure substances -: elements and compounds
Physical properties:
Metals-
(1) Metals possess a lutsre
(2) Metals are generally hard
(3) They are malleable
(4) They are ductile
(5) They are solids at room temperature except mercury
(6) They are good conductors of heat and electricity
Non- metals-
(1) Non –metals donot possess luster
(2) They are brittle if solid
(3) They are not malleable
(4) They are not ductile
(5) They can be solids, liquids or gases at room temperature
(6) They are poor conductors of heat and electricity.
Explanation:
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