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The job of the neutron is to "donate" mass to what is called mass deficit during the fusion process that creates heavier atomic nuclei from lighter ones. During fusion, all the nucleons that are being fused give up a little mass, and this mass is converted into binding energy, or nuclear glue, to hold the nucleus together. You'll recall that the positively charged protons want to push everything apart because like charges repel each other. But in fusion, neutrons are always present to "add to the mix" and "chip in" with a little mass to generate the nuclear binding energy. In fact, neutrons could be said to have no other purpose. That's because a neutron that is unbound is unstable and will decay into a proton and an electron. Use the link below to the related questions on WikiAnswers.

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16y ago

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