Which of the following atoms and ions is largest in size: F", S^2-, S, O^2-, CT? O^2- S^2- S Cl^- F^- Which of the following has the largest radius? N Cl S F O Arrange S^2-, Cl^-, K^+, and Ca^2+ in order of decreasing radius. S^2- > Cl^- > K^+ > Ca^2+ Cl^- > S^2- > K^+ > Ca62+ Ca^2+ > K^+ > S^2- > Cl^- K^+ > Ca^2+ > Cl^- > S^2- Which of the following four orderings gives the incorrect trend in the first ionization energy? F
