MCQ
After losing two electrons, an atom of Helium becomes equivalent to:
- ✓$\alpha -$particle
- B$\beta -$particle
- C$\gamma -$particle
- DDeuterium nucleus
✓
Answer
Correct option: A.
$\alpha -$particle
$^4_2He→^4_2He^{2+}+2e^-$
$^4_2He^{2+}$ is alpha particle. Because it has charge equal to $+2e$ and mass is four times the mass of one proton.
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