The halogen family consists of elements in Group 17 of the periodic table.

Out of the elements listed, only fluorine (F) is a halogen.

Here's why the others don't belong:

* Neon (Ne) is a noble gas (Group 18).

* Lithium (Li) is an alkali metal (Group 1).

* Bismuth (Bi) is a metalloid (sometimes classified as a post-transition metal).