Science, asked by namanjaaat931, 8 months ago

Q:10 Which of the following pairs are isotopes ?
(i)84X²⁰⁹
840X²¹⁰
(ii)90X²³²
91X²³¹

Answers

Answered by oliur1235

3

Answer:

1) 84 is the answer of isotopes

Answered by Anonymous

4

Answer:

Hlo..........

Jaat Ke

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