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JEE Main & Advanced Chemistry Surface & Nuclear Chemistry / भूतल और नाभिकीय रसायन Question Bank Isotopes-Isotones and Nuclear isomers

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    \[_{18}A{{r}^{40}},{{\,}_{20}}C{{a}^{40}}\] and  \[_{19}{{K}^{40}}\]  are [MNR 1983; DPMT 1991; EAMCET 1992; RPMT 1997; Pb.CET 2000]

    A)                 Isomers               

    B)                 Isotopes

    C)                 Isobars

    D)                 Isotones

    Correct Answer: C

    Solution :

              Atoms of different elements having different atomic no. but same mass no. are called isobars.


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