MCQ
$\alpha$ -particle consists of
- ✓$2$ protons and $2$ neutrons only
- B$2$ electrons, $2$ protons and $2$ neutrons
- C$2$ electrons and $4$ protons only
- D$2$ protons only
✓
Answer
Correct option: A.
$2$ protons and $2$ neutrons only
a
$\alpha=_2^4 \mathrm{He}^{2+}=$ Helium Nuclei
$\alpha=_2^4 \mathrm{He}^{2+}=$ Helium Nuclei
$2$ protons and $2$ neutrons
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