单词	Lewis base
释义	Lewis base /ˈluːɪs ˌbeɪs / noun Chemistry A compound or ionic species which can donate an electron pair to an acceptor compound.In simple additions, the carbonyl compounds can behave as both Lewis acids and Lewis bases depending on what reagents are present.... In both cases, the ammonia molecule is acting as a Lewis base, donating the pair of electrons required to form the coordinate covalent bond. Origin 1960s: named after G. N. Lewis (see Lewis acid).
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