In nuclear fusion, several small nuclei combine to form a nucleus of greater atomic number, releasing a large amount of energy in the process. This is the process that powers the sun and other stars. Option A describes nuclear fission, while option B describes alpha decay and option C describes annihilation.

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In Nuclear Fusion

Question 61

Multiple Choice

In nuclear fusion

A) an atomic nucleus splits into two fragments,each forming an atom of an element with a smaller atomic number than the original.
B) an atomic nucleus loses two or more alpha particles.
C) positrons and electrons combine to form gamma rays.
D) several small nuclei combine to form an atom of greater atomic number.

Correct Answer: