In science, there are notation and interpretations. Just like there is notation to denote the nucleus of an atom in terms of is mass number A and atomic number Z. A lot of information about the nucleus and the atom can be drawn from this. Consider an element ^AX_Z. Based on this information, answer the question that follow.

What can you say about the electrostatic force between the inside and outside of the nucleus?

Attractive and centripetal

The force is attractive in nature and provides the centripetal force for revolution of the electrons around the nucleus.