Chemistry, asked by adityaishu05p9l7y5, 10 months ago

Pls. help. Kindly check the attachment.

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Answered by rishanjain22

0

Answer:

ANS is option a

because no of electrons= no of protons

so mass no = protons+neutron= 15+16= 31

and atomic no is= no of protons so 15

Explanation:

please mark brainliest and thank

Answered by raide153

3

Explanation:

15X

16

is the answer mark me as brainless please

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