Nuclear fission & fusion

Nuclear fission and fusion

The decay of mass during nuclear fission and fusion are:

What is the source of energy in nuclear fission and fusion ?

Nuclear fission and fusion can be explained on the basis of ________

Nuclear fission and fusion reactions are examples of conversion of …………….. into ……………..

The heat energy released during nuclear fission and fusion is due to the :

Nuclear fission and fusion reactions are examples of conversion of mass into energy. Can we say that strictly speaking, mass is converted into energy even in an exothermic chemical reaction?