Is Hydrogen A Halogen, Hydrogen can come under halogens or alkaline metals. Sep 10, 2025 · Hydrogen, with its single proton and electron, is a chemical maverick, defying easy classification and sparking an enduring debate among chemists for centuries. It is the lightest and most abundant chemical element in the universe, constituting about 75% of all normal matter. Hydrogen resembles alkali metals as well as halogens. . Why isn't it neatly tucked away with the Alkali Metals in Group 1, or embraced by the electron-hungry Halogens in Group 17? All halogens form binary compounds with hydrogen known as the hydrogen halides: hydrogen fluoride (HF), hydrogen chloride (HCl), hydrogen bromide (HBr), hydrogen iodide (HI), and hydrogen astatide (HAt). No, hydrogen is not a halogen. The halogens occupy Group 17 on the periodic table. There are five known halogen elements in total: fluorine, chlorine, bromine, iodine and astatine. Hydrogen Oct 13, 2023 · The fact that hydrogen can behave like an alkali metal or a halogen non-metal is the key factor that perplexes students and makes it difficult to determine whether hydrogen is a metal or a non-metal. op3srks, gpm, ddc11, itxl1, cc, ds9, on, coy, epr, eifbt,