Explain what is meant by the binding energy of a nucleus.
Data for the masses of some particles are given in the table below.
The energy equivalent of 
is 
.
Calculate the binding energy, in 
, of a tritium (
) nucleus
The total mass of the separate nucleons that make up a polonium-210 (
) nucleus is 
. Calculate the binding energy per nucleon of polonium-210.
.
.
