KnowraHalogenLinked fromLinked fromThe 20 pages that link to Halogen, each with the reason it gives.All 20Broader topic 2Related 1Narrower topic 13Compared with 4Alkali metalCompared with: Halogens tend to gain the electron that alkali metals readily lose, making their compounds natural contrasts.Noble gasCompared with: Halogens sit beside noble gases and commonly gain the electron their neighbors already possess.ChalcogenCompared with: Halogens neighbor chalcogens and typically need one electron to complete their outer shell.Period 1 elementCompared with: Hydrogen can resemble halogens by needing one electron for a filled shell.