摘要:下列微粒的电子式书写不正确的是 A.过氧化钠 Na+[eq \o(\s\up 7(‥eq \o(\s\up 3(·eq \o(\s\up 7(‥ Oeq \o(\s\up 0(×]2-Na+ B.四氯化碳 eq \o(\s\up 18(ClCleq \o(\s\up 3(· C.氮气 ∶N ‥eq \o(\s\up 2(‥ N∶ D.钠离子 Na+
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