The following symbols show five nuclides. $^{{35}}_{{17}}X$ (nuclide 1), $^{{37}}_{{17}}X$ (nuclide 2), $^{{38}}_{{18}}X$ (nuclide 3), $^{{81}}_{{35}}X$ (nuclide 4), $^{{81}}_{{37}}X$ (nuclide 5) Which pair of nuclides are isotopes of the same element?
- Anuclide 1 and nuclide 2
- Bnuclide 2 and nuclide 3
- Cnuclide 2 and nuclide 5
- Dnuclide 4 and nuclide 5