What are all the halogens?

1 Answer
Oct 3, 2016

These are literally the #"salt-forming"# elements of #"Group 17"# in the Periodic Table.

Explanation:

And the individual members are: fluorine; chlorine; bromine; iodine....As the element they are binuclear, i.e. #X_2#, and they are potent oxidants, readily forming halide ions, #X^-#. Fluorine, #F_2#, in particular is the most reactive element on the Periodic Table.