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.
Tara Leigh Patrick (born April 20, 1972), better known by her stage name Carmen Electra, is an American glamour model, actress, television personality, singer, and dancer. She began her career as a singer after moving to Minneapolis, Minnesota, where she met Prince, who produced her debut record.