BROMINE

Fire retardant chemical

• Element from sea water

• Element that's liquid at room temperature

• Element used in fire retardants

• Liquid at room temperature

• No. 35 on the periodic table

• One of the halogens

• Third-lightest halogen

• Volatile liquid element

• Found in sea water

• A nonmetallic largely pentavalent heavy volatile corrosive dark brown liquid element belonging to the halogens