| 单词 | hydronium ion | 
| 释义 | Word Frequency hydronium ion positive ion, formed by the attachment of a proton to a water molecule: occurs in solutions of acids and behaves like a hydrogen ion Word Frequency hydronium ion(haɪˈdrəʊnɪəm) noun  chemistry  another name for hydroxonium ion   Word origin C20: from hydro- + (amm)onium | 
	
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