ethenium التعريفات والمعاني == English == === Etymology === From ethene + -ium. === Noun === ethenium (uncountable) (inorganic chemistry) The cation, protonated ethylene (C2H5+) شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة Ethereum Ethanim etherism ethenic ethenide Ethniu etenim ethanum ethenzamide