What statement is always true when nuclear fusion occurs?

A. The number of protons in the resulting nucleus is less that in each starting nucleus.
B. The total number of protons and neutrons in each nucleus remains constant.
C. The combined number of protons and neutrons remains constant.
D. The number of protons in the resulting nucleus is double that of a starting nucleus.

1 answer

C. The combined number of protons and neutrons remains constant.