| The elements hydrogen, nitrogen, oxygen, fluorine, chlorine, bromine and iodine consist of diatomic molecules. |
| The most important use of bromine today is in making flame retardant materials. |
| In a haloform reaction with iodine, bromine, or chlorine, methyl ketones are converted into the corresponding carboxylic acid and haloform. |
| The halogens are a group of chemical elements that includes fluorine, chlorine, bromine, iodine, and astatine. |
| Oxygen, the next most electronegative element, is also a powerful oxidant, as are chlorine and bromine. |
| Those deposits, known as salt domes are a major dry-land source of bromine today. |
