Question

short note on isotopes ​

Answer 1

Answer:

Explanation:

isotope. An isotope of a chemical element is an atom that has a different number of neutrons (that is, a greater or lesser atomic mass) than the standard for that element. The atomic number is the number of protons in an atom's nucleus.

Answer 2

Answer:

isotopes are elements that have same number of protons and electrons but different number of neutrons and hence the atomic numbers are same, but their mass numbers are different

example :hydrogen, chlorine

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