ethanium
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Onium compounds — are cations derived by the protonation of mononuclear parent hydrides of elements of the nitrogen group (Group 15), chalcogens (Group 16), or halogens (Group 17), and similar cations derived by the substitution of hydrogen atoms in the former by… … Wikipedia
Renealmia — cernua Systematik Monokotyledonen Commeliniden … Deutsch Wikipedia
