.根据电负性差值,判断下列物质中化学键的类型,并按键的极性大小顺序排列共价型分子.HF,BaCl2,NaCl,HBr,NH3,CH4,Br2
问题描述:
.根据电负性差值,判断下列物质中化学键的类型,并按键的极性大小顺序排列共价型分子.HF,BaCl2,NaCl,HBr,NH3,CH4,Br2
答
离子键BaCl2,NaCl
共价键HF,HBr,NH3,CH4,Br2极性从大到小HF,NH3,HBr,CH4,Br2