Check sibling questions

Identify the pairs which are not of isotopes?

 

 

Explanation: Isotopes have the same atomic number and this rule is not followed in Option c and d thus they are not isotopes.

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CA Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 12 years and a teacher from the past 16 years. He teaches Science, Economics, Accounting and English at Teachoo