SSC
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Atoms of the same element that differ in mass.
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electrons
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molecules
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isotopes
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quarks
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Explanation:
Detailed explanation-1: -Isotopes are atoms with different atomic masses which have the same atomic number. The atoms of different isotopes are atoms of the same chemical element; they differ in the number of neutrons in the nucleus.
Detailed explanation-2: -Isotopes are members of a family of an element that all have the same number of protons but different numbers of neutrons.
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