Question:
Composition of the nuclei of two atomic species X and Y are given as under
X Y Protons 6 6 Neutrons 6 6
Give the mass numbers of X and Y. What is the relation between the two species?
Composition of the nuclei of two atomic species X and Y are given as under
Give the mass numbers of X and Y. What is the relation between the two species?
| X | Y | |
|---|---|---|
| Protons | 6 | 6 |
| Neutrons | 6 | 6 |
Give the mass numbers of X and Y. What is the relation between the two species?
Updated On: Jan 19, 2026
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Solution and Explanation
Mass number of X = Number of protons + Number of neutrons = 6 + 6 = 12
Mass number 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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