In atoms, protons and neutrons orbit the nucleus in one or more shells. Each shell has a specific limit on the number of protons or neutrons it can hold. When these shells are full, the resulting ...

IN a discussion of neutron capture processes and theories of element origin, Malkiél 1 has suggested that the neutron numbers 98, 108 and 116 may be favoured. Malkiél mentions that mass data also ...