下列物质中,既有离子键又有极性共价键的是( )。A.NaOH B.HCl C.Na2S D.Na202

作者: tihaiku 人气: - 评论: 0
问题 下列物质中,既有离子键又有极性共价键的是( )。
选项 A.NaOH B.HCl C.Na2S D.Na202
答案 A
解析 氢氧化钠中既存在离子键又存在极性共价键;氯化氢中只有极性共价键;硫化钠中只有离子键;过氧化钠既有离子键又有非极性共价键。

相关内容:物质,离子,极性,共价键,A.NaOH,C.Na2S,D.Na202

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