Bromine
Br
General Information
It is atomic number 35, and its mass number is 79.904.
It is in period 4 and group 17, making it a Halogen.
Bromine is a liquid non metal.
Water Purification
Bromine is used as a compound for water purification. It is used in things such as pools and hot tubs.
Pesticides
Bromine compounds are used in pesticides, as a way to keep pests away from the plants.
Photo Development
Bromine is used in photo development. Without it, photos wouldn't capture sufficient light.