Science, asked by sneha7004, 5 months ago

answer this question of chemistry

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Answered by Sirat4

1

Answer:

I) Correct answer is d = 18

II) correct is a (An atom has equal number of electrons and protons )

III) Answer is a 31 X15

IV) Ans. is c. Valency is 1.

V) correct answer is d

Explanation:

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