Nuclei - Result Question 58
59. $\alpha$-particle consists of:
(a) 2 protons and 2 neutrons only
[2019]
(b) 2 electrons, 2 protons and 2 neutrons
(c) 2 electrons and 4 protons only
(d) 2 protons only
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Answer:
Correct Answer: 59. (a)
Solution:
- (a) $\alpha$-particle is nucleus of helium $He^{++}$which has two protons and two neutrons.
