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प्रश्न
What is the reason for the different atomic masses of the isotopes of an element ?
उत्तर
It has been found that, in nature, atoms of certain elements might have the same number of protons i.e., same atomic number but different mass numbers. This difference in the masses of isotopes of an element is due to difference in the number of neutrons in their nuclei.
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संबंधित प्रश्न
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