Chemistry, 09.04.2020 01:20, lol15arec001

The mass of hydrogen is 1.6726 x 10–27 kg, and the mass of helium is 6.6465 x 10–27 kg. Given this, which of the following nuclear reactions would result in a decrease of total mass, and thus a release of energy, while keeping the same number of particles involved?

A. A helium nucleus breaks up into four hydrogen nuclei.
B. Four hydrogen nuclei combine into one helium nucleus
C. Two hydrogen nuclei combine into one helium nucleus.
D. A helium nucleus breaks up into two hydrogen nuclei

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