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The atoms of the elements having same atomic number but different mass number are called

  • A.Isobar
  • B.Isotopes
  • C.Iso electronic
  • D.Isotones

Answer: B

Such atoms are isotopes.

They have the same atomic number, so they are the same element, but different mass numbers because the neutron count differs. Carbon-12, carbon-13 and carbon-14 are examples.

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