The nuclear model of the atom — practice question

Which statement concerning an atom is correct?

• AAn atom has positive charge because there are only positive charges in the nucleus.
• BAn atom has negative charge because there are only negative charges in the nucleus.
• CAn atom has neutral charge because the positive charge in the nucleus equals the total negative charge of the electrons.
• DAn atom has neutral charge because the negative charge in the nucleus equals the total positive charge of the electrons.