Atoms and Electrons – 51

51. Mass of a proton is :

(a) 1.67 × 10^–24 kg
(b) 1.67 × 10^–25 kg
(c) 1.67 × 10^–26 kg
(d) 1.67 × 10^–27 kg

Answer : (d)

Explanation : No answer description available for this question. Let us discuss.

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