Question

metal and non metal name with atomic no
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Answer 1

Step-by-step explanation:

the atom which has valency in positive like calcium +2,sodium +1 are metal.

. but those atom who has valency in negative they are non metal like chlorine -1,sulphur-2

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Answer 2

NON METAL

hydrogen atomic no. 1

carbon atomic no. 6

oxygen atomic no. 8

cholrine atomic no. 17

METAL

copper atomic no. 27

aluminum atomic no. 13

iron atomic no. 26

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