Predict properties of Group 0 elements from trends down the group.

Group 0 elements, known as noble gases, exhibit unique properties due to their stable electron arrangements. As you move down the group, the atomic size increases, leading to higher boiling points. For instance, helium has the lowest boiling point, while radon has the highest. Additionally, the reactivity of noble gases is extremely low, as they do not readily form compounds. This stability is attributed to having full outer electron shells, which makes them less likely to engage in chemical reactions. Understanding these trends allows for predictions about the physical properties of noble gases.