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A (small) amount of mass is "converted" into energy.

If you fuse light elements into heavier ones (particulally hydrogen into helium),

you end up with less mass than you started with.

Likewise breaking apart heavy elements into lighter ones result in a "loss" of mass.

Note - iron is the low point of all of this,

thus you can fuse up to iron OR fission down to iron - but no farther.

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11y ago
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12y ago

Small nuclei are being forced together and fusing into larger nuclei.

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Q: What happens during nuclear fusion and fission?
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