give reasons for the following nucleus of an atom is heavy and positively charged and an atom is electrically neutral

give reasons for the following nucleus of an atom is heavy and positiv

1.	give reasons for the following nucleus of an atom is heavy and positively charged and an atom is electrically neutral
Answer» all of the mass in an ATOM is made up from the protons and NEUTRONS in the nucleus with a very small contribution from the ORBITING electrons. Neutrons have no CHARGE and protons are positively charged. Because the nucleus is only made up of protons and neutrons it is positively charged.