A、 hydrogen bonding. B、 ionic bonding. C、 metallic bonding. D、 non-polar covalent bonding. E、 polar covalent bonding. 查看答案 单选题 Which compound contains no ionic character? A、 NH4Cl B、 CaO C、 K2O D、 Li2O E、 CO 查看答案 单选题 Element X forms the compound XCl...
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