hydrazinium

noun
hy·​dra·​zin·​i·​um | \ˌhīdrəˈzinēəm\
plural -s

Definition of hydrazinium 

: either of two cations derived from hydrazine especially : the univalent cation NH2NH3+ hydrazinium chloride NH2NH3Cl or hydrazine hydrochloride NH2NH2.HCl

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History and Etymology for hydrazinium

International Scientific Vocabulary hydrazine + -ium

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