Submitted by György Chityil ... on Fri, 01/19/2018 - 23:17 Hierarchy: NounDescription: {{chemistry}} {{&lit|hydrogen|ion}} ; H<sup>-</sup> or H<sup>+</sup>Ngram: hydrogen ionNgram Text: hydrogen ionSource: WiktionaryIssue: 0Wiktionary tag: chemistry&lithydrogenNgram Count: 2
