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PhysicsNEET 2022Radioactivity and decay law

Nuclei

In the given nuclear reaction, the element X is:

1122Na→X+e++ν^{22}_{11}\mathrm{Na} \rightarrow \mathrm{X} + e^{+} + \nu

  1. A.1222Mg^{22}_{12}\mathrm{Mg}
  2. B.1123Na^{23}_{11}\mathrm{Na}
  3. C.1023Ne^{23}_{10}\mathrm{Ne}
  4. D.1022Ne^{22}_{10}\mathrm{Ne}✓

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