The mass of a proton is ___

The mass of a proton is

A. 1.675 × 10 - 27 Kg.
B. 1.672 × 10 - 27 Kg.
C. 1.602 × 10 - 19 Kg.
D. 1.609 × 10 - 31 Kg.

Show Answer

Answer: B

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