Fusion is the process of which of the following?

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Study for the Georgia High School Physical Science Test. Prepare with flashcards and multiple-choice questions, detailed hints and explanations included. Get ready for your exam!

Multiple Choice

Fusion is the process of which of the following?

Explanation:
Fusion is the process of combining light atomic nuclei to form a heavier nucleus, releasing energy in the process. This is what powers stars, as hydrogen nuclei fuse to form helium and energy is produced from the slight mass difference converted to energy. Overcoming the repulsion between positively charged nuclei requires extremely high temperatures and pressures. The other ideas refer to different processes: splitting nuclei is fission, emission of neutrons occurs during fission or certain decays, and ionization is the removal of electrons from atoms. So the description that best fits fusion is the joining of atomic nuclei to form a heavier nucleus with energy release.

Fusion is the process of combining light atomic nuclei to form a heavier nucleus, releasing energy in the process. This is what powers stars, as hydrogen nuclei fuse to form helium and energy is produced from the slight mass difference converted to energy. Overcoming the repulsion between positively charged nuclei requires extremely high temperatures and pressures. The other ideas refer to different processes: splitting nuclei is fission, emission of neutrons occurs during fission or certain decays, and ionization is the removal of electrons from atoms. So the description that best fits fusion is the joining of atomic nuclei to form a heavier nucleus with energy release.

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