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As may be seen in the microscopic view of liquid bromine, 1  Liquids are made up of very small particles (atoms, molecules, and/or ions). 2  The particles that make up a liquid: 3  are close together with no regular arrangement,  vibrate, move about, and slide past each other.
Bromine is the only non-metallic element that is liquid at room temperature and standard pressure. It is a red liquid that easily evaporates and smells. Bromine is approximately 3,12 times heavier than water. At temperatures of 58,8 Â°C it becomes gaseous, whereas at â7,3 Â°C and lower temperatures it is a solid.romine substances are disinfectants and can be used as an alternative for chlorine. In swimming pools, bromine is used against the formation and growth of algae, bacteria and odors in swimming water. In the United States, bromine has been used since 1936 to treat swimming water.