Hindi, asked by Sivababu1266, 5 hours ago

जयशंकर प्रशाद की कविता बीती बिभवरी जागरी का सारांश लिखिए

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Answered by singharchan85
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Answer:

element has two isotopes.The mass of one isotope is A-1 and the other is A+2.If the average is A.Find the percentage of isotope

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