Which term describes two nuclei combining to form a nucleus with a larger mass, such as in the sun?

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Multiple Choice

Which term describes two nuclei combining to form a nucleus with a larger mass, such as in the sun?

Explanation:
Fusion describes two light atomic nuclei merging to form a heavier nucleus, releasing energy in the process. In the sun, extremely high temperatures and pressures allow hydrogen nuclei to come close enough to fuse into helium, and the resulting mass difference is released as energy that powers the star. This is different from fission, which is the splitting of a heavy nucleus into lighter pieces, and from transmutation, which is changing one element into another through nuclear reactions. The concise term for the process of combining nuclei is fusion.

Fusion describes two light atomic nuclei merging to form a heavier nucleus, releasing energy in the process. In the sun, extremely high temperatures and pressures allow hydrogen nuclei to come close enough to fuse into helium, and the resulting mass difference is released as energy that powers the star. This is different from fission, which is the splitting of a heavy nucleus into lighter pieces, and from transmutation, which is changing one element into another through nuclear reactions. The concise term for the process of combining nuclei is fusion.

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