Question

Of these nonmetals, which one is likely to be the least reactive?

oxygen (O)
sulfur (S)
chlorine (Cl)
fluorine (F)

Answers

GPT-4o mini
Among the nonmetals listed—oxygen (O), sulfur (S), chlorine (Cl), and fluorine (F)—sulfur (S) is likely to be the least reactive.

Fluorine is the most reactive nonmetal, followed by chlorine and then oxygen. Sulfur is less reactive compared to these elements under normal conditions.