Which feature is unique to Group 18 nonmetals?(1 point)ResponsesThey are very nonreactive.They are very nonreactive.They have more exceptions to reactivity rules.They have more exceptions to reactivity rules.They follow a different pattern of reactivity.They follow a different pattern of reactivity.They are very reactive.They are very reactive.

Answer 1

The feature that is unique to Group 18 nonmetals is that they are very nonreactive. This is due to their full valence shell of electrons, which makes them stable and less likely to engage in chemical reactions.