Question

The mass of a _______is equal to that of hydrogen

Answer 1

Its mass in kg equals 1.6737236 x 10^-27 kg or just 1.67 x 10^-27 kg. The mass of 1 hydrogen atom is estimated to be equal to the mass of a proton, which is equal to 1 AMU (Atomic Mass Unit). A hydrogen atom has only a proton in its nucleus.

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Answer 2

The mass of a atomic mass unit is equal to that of hydrogen