Sb forms more than one type of ion. List two possible ions this atom forms and explain why they occur.

Would it have to do something how in its electron configuration it ends of with 5p^3 meaning it is half full and half empty? Help me out please i am studying for my exams.

To determine the possible ions formed by an atom, we need to consider its electron configuration and the trend of gaining or losing electrons.

Antimony (Sb) has the electron configuration [Kr]5s^24d^105p^3. The outermost shell, the 5p sublevel, has three electrons. To achieve a stable electron configuration, antimony can either gain three electrons or lose five.

1. Antimony cation with a +3 charge (Sb3+):
By losing three electrons from its 5p sublevel, antimony results in a complete filled 5s and 5p sublevels, which are more stable configurations. In this case, antimony becomes Sb3+, losing the three 5p electrons, thus resulting in the electron configuration [Kr]5s^24d^10.

2. Antimony anion with a -3 charge (Sb3-):
Antimony can also gain three electrons to achieve stability through the filling of its 5p sublevel. By gaining the three additional electrons, antimony becomes Sb3-, resulting in the electron configuration [Kr]5s^24d^105p^6, which mimics the stable configuration of the noble gas xenon (Xe).

The tendency of how antimony forms these ions is based on its electron configuration and the desire to achieve a stable electron arrangement. By either gaining or losing electrons, antimony can attain a filled or half-filled 5p sublevel, which contributes to stability.