Based on the clue 'bromine chlorine are in a group of elements known...', what is the answer?

Based on the clue 'brom bones freaks this man out by telling him the ...', what is the answer? Based on the clue 'brom bones tells the story of the headless horsema...', what is the answer? Based on the clue 'bromden a half indian who has shut out society by ...', what is the answer? Based on the clue 'bromine chlorine are in a group of elements bette...', what is the answer? Based on the clue 'bromine iodine are listed in this periodic table ...', what is the answer? Based on the clue 'bromine plus arizona plus illinois gets you here i...', what is the answer? What is referred to by 'bromine silver'? Based on the clue 'bronco billy thunderbolt doherty harry callahan', what is the answer?