Halogens: F 2 , Cl 2 , Br 2 , I 2
Halogens: F 2 , Cl 2 , Br 2 , I 2. Halogens as oxidants: Halogens attract electrons from other substances – they are all oxidants (they nick e - ). The oxidising power reduces as you move down Group 17 F 2 < Cl 2 < Br 2 < I 2. Strongest oxidant – greatest electron pulling power.
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