Group 7 Halogens

Periodic table:  Group 7 element members

Elements	Formula	Physical states at rtp	Colour
Fluorine	F2	Gas	Yellow
Chlorine	Cl2	Gas	Green
Bromine	Br2	Liquid	Red-brown/Red
Iodine	I2	Solid	Black

Chlorine water / Aqueous solution of Chlorine , Cl₂ (aq):  colourless

Bromine water / aqueous solution of Bromine , Br₂ (aq): yellow

Bromine Vapour : red-brown

Aqueous solution of Iodine, I₂ (aq) : Brown

Iodine Vapour : Purple vapour