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?
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Atomic mass of X = Number of protons + Number of neutrons = 6 + 6 = 12. Atomic mass of Y = Number of protons + Number of neutrons = 6 + 8 = 14. These two atomic species, X and Y, have the same atomic number but different mass numbers. Hence, they are isotopes.
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Atomic mass of X = Number of protons + Number of neutrons = 6 + 6 = 12. Atomic mass of Y = Number of protons + Number of neutrons = 6 + 8 = 14. These two atomic species, X and Y, have the same atomic number but different mass numbers. Hence, they are isotopes.
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