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单词
polyatomic ion
释义
polyatomic ion
polyatomic ion
[
‚päl·ē·ə¦täm·ik ′ī·ən
]
(chemistry)
An electrically charged species formed by covalent bonding of atoms of two or more different elements, usually nonmetals, for example, the ammonium ion (NH
4
+
).
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更新时间:2026/1/15 10:25:44