question_answer 28)

Composition of the nuclei of two atomic species X and Y are given as under:                                      X    Y Protons =    6     6 Neutrons =  6     8 Give the mass numbers of X and Y. What is the relation between the two species?                                     

Answer:

Mass number of X = No. of protons + No. of neutron                                Mass number of The species X and Y are the isotopes because their atomic numbers are same and their mass numbers are different, i.e.  and