The mass of 84Be is 8.005 305 u.
(a) Which is less, the total mass of two alpha particles or the mass of the 8Be nucleus?
(b) Which is greater, the total binding energy of the 8Be nucleus or the total binding energy of two alpha particles?
(c) On the basis of your answers to parts (a) and (b) Alone, do you expect the 8Be nucleus to decay spontaneously into two alpha particles?