Chemistry, asked by shaurya5614, 5 months ago

plz tell correct answer with correct numbering plz.​

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Answered by Swapnilbro
0

Answer:

B) 1s2 2s2 2p6 3s2 3p5

I) 17 group (halogens)

II) 7 e-

IlI) valancy = -1

IV) It's a non metal

V) Number of protons =17 and Number of neutrons= 35-17=18

Explanation:

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