对于H3O+的下列说法中不正确的是     A.离子中存在共价键     

对于H3O+的下列说法中不正确的是

     A.离子中存在共价键                B.离子中存在孤电子对

     C.离子中存在配位键                D.离子中存在非极性键

答案

D

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