ADJ.
toxic
BROMINE + NOUN
astatine, iodine, one's
noun
A nonmetallic chemical element (symbol Br) with an atomic number of 35; one of the halogens, it is a fuming red-brown liquid at room temperature.
A bromine atom
noun — a nonmetallic heavy volatile corrosive dark brown liquid ele
Fluorine, chlorine, bromine, iodine and astatine are halogens.
Toxic fumes of bromine can damage one's lungs.
Hydrogen, nitrogen, oxygen, fluorine, chlorine, bromine and iodine are diatomic elements.