Question

in nuclear reactions some mass disappears ,why?​

Answer 1

Answer:

The entire mass of atom is concentrated in nucleus , during nuclear reactions ,the nucleus undergoes distintigration thereby resulting in change of mass

Answer 2

Answer:

HERE IS YOUR ANS.......

Explanation:

.........Matters disappears during the nuclear reactions this loss of matter is called the mass defect. The missing matter is converted into energy.... The speed of light is squared, making that part of the equation a very large number that even when multiplied by a small amount of mass, yields large amount of energy .......HOPE IT WILL HELP YOU....