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Nucleus: Common Terms

The existence...

Question

The existence of isotopes is due to the presence of different number of _________ .

A

electrons

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B

protons

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C

neutrons

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D

atoms

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Solution

The correct option is C neutrons
Any of two or more forms of a chemical element, having the same number of protons in the nucleus, or the same atomic number, but having different numbers of neutrons in the nucleus, or different atomic weights are called Isotopes.

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