Consider an Atom of Oxygen in Which the Nucleus Contains

Multiple Choice

Consider an atom of oxygen in which the nucleus contains 8 protons and 8 neutrons.If it is doubly ionized,what is the charge of the oxygen ion and how many electrons remain in the ion?

A) Charge = +2;number of remaining electrons = 8.
B) Charge = -2;number of remaining electrons = 10.
C) Charge = +2;number of remaining electrons = 6.
D) Charge = +2;number of remaining electrons = 2.