MCQ
A nucleus ${n^X}^m$ emits one α and one β particles. The resulting nucleus is
- A$\mathrm{n}^{\mathrm{x}^{\mathrm{m}-4}}$
- B$\mathrm{n}-2^{\mathrm{Y}^{\mathrm{m}-4}}$
- C$\mathrm{n}-4^{\mathrm{z}^{\mathrm{m}-4}}$
- ✓$\mathrm{n}-1^{\mathrm{z}^{\mathrm{m}-4}}$
