Mass is not exactly conserved in nuclear reactions because:

  1. nucleons are destroyed
  2. neutrons disappear
  3. charge is lost
  4. some mass is converted to energy (E = mc^2)
Answer

D) some mass is converted to energy (E = mc^2)

Nucleon number is conserved instead. SLO P-11-F-07 · Knowledge

Physics MCQ · More Nuclear and Particle Physics MCQs · Practise