Fusion reactions occur between what kinds of elements?

Question

A.
two very large nuclei
B.
two very large uranium isotopes
C.
very fast moving electrons
D.
very fast moving neutrons
E.
very small atoms

Answer 1

Fusion reactions primarily occur between very small atoms. Therefore, the correct answer is:

E. very small atoms

Fusion typically involves light elements, such as isotopes of hydrogen (like deuterium and tritium), combining to form heavier elements, such as helium, while releasing energy.