For example, 63 Cu (29 protons and 34 neutrons) has a mass number of 63 and an isotopic mass in its nuclear ground state is 62.91367 u. There are two reasons for the difference between mass number and isotopic mass, known as the mass defect:
The Electra complex is an ambiguous psychiatric concept which attempts to explain the maturation of the human female. It is said to be the female counterpart to the Oedipus complex in males.
Effective Science-based Addiction Therapy. The Matrix Model drug addiction therapy is an outpatient treatment program, designed to provide people in recovery with a structure of support. Drawing on several research-based methods, it blends the best modalities into an extremely strong system of recovery.