Chemistry, asked by afiya12maryam, 11 months ago

I need the answer of question 18 , 19 and 20

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Answered by aryankumar6561

1

Answer:

19....c

20....a

18....d

Answered by pratikroy7801

1

Answer:

18 . bronze

19.option c.

20.the required no. of neutron is 35-17 = 18

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