Atoms of an element having same atomic number but different mass numbers are called _______________.

isoatoms

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isobars

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isotopes

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isotones

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Solution

The correct option is C
isotopes

Atoms of an element having same atomic number but different mass numbers are called isotopes.

Since,

mass number = number of protons + number of neutrons

The number of protons in all the atoms of a particular element is same, therefore to have different mass numbers, isotopes contain different number of neutrons.

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Similar questions

Nuclei with the same number of protons but a different number of neutrons are called isobars

Nuclei with the same number of neutrons but a different atomic number are called isotopes

Nuclei with the same mass number are called isotones

_{Z} X^{A}

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