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Mark the correct statement...

Mark the correct statement

A

Nuclei of different elements can have the same number of neutrons

B

Every element has only two stable isotopes

C

Only one isotope of each element is stable

D

All isotopes of every element are radioactive

Text Solution

Verified by Experts

The correct Answer is:
A

(a) Nuclei of different elements having the same mass number are called isotones e.g., `._(4) Be^(9)` and `._(5) B^(1)0`.
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