Science, asked by namitatiriya3, 5 months ago

what is the answer???​

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Answered by Zzz21
1

Explanation:

Mass number of X = Number of protons + Number of neutrons = 6 + 6 = 12.Mass number of Y = Number of protons + Number of neutrons = 6 + 8 = 14.

These two atomic species X and Y have the same atomic number, but different mass numbers. Hence, they are isotopes.

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