EntityQ29004· pop 18· linked from 34 articleshydrogen anionSign in to savenegative ion of hydrogenConnectionsSunConceptstarEntityhydrogenEntityionEntityelectric chargeEntityelectromagnetismEntityalkali metalEntityalkaline earth metalEntitydigital object identifierEntitychemical formulaEntityHans BetheEntitySubrahmanyan ChandrasekharEntityoxidation numberEntityelectronvoltEntitymolar massEntityparticle acceleratorEntitybibcodeEntityCAS Registry NumberEntityNational Center for Biotechnology InformationEntityPubChemEntityCategoriesAnionsAstrophysicsHydrogen physics