Chemistry, asked by barindergrover, 6 months ago

please solve me the above question

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Answered by akashmaikap80

1

Answer:

18.Na >Mg>Si>S>Cl

19.I Don't know

Answered by namandeep1085

1

Answer:

17) already given .

18) 4th period

Explanation:

because electronic configuration = 19

therefore : 2 8 8 1

it represents 4th period

1st group

19) reducing agent

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