Which statement accurately describes the charge of the nucleus of an atom? (2 points) the nucleus can be either positively charged or neutral. the nucleus never has an electrical charge. the nucleus always has a positive charge. the charge of a nucleus can change from positive to negative.

Atoms are fundamental constituents of all matter. The following statement is correct. The nucleus always has a positive charge. This is because the nucleus contains sub-atomic particles called protons. Each proton carries a single positive charge. The nucleus is also home to sub-atomic particles called neutrons that do not possess a charge. 

The formula is (nh4)2co3