本课配套习题挑战模式1/5
单选题
难度系数:
1.下列叙述错误的是
A: 离子化合物中不可能存在非极性键 |
B: 离子键只存在于离子化合物中,不存在共价化合物中 |
C: 由极性键结合的分子不一定是极性分子 |
D: 极性分子中一定不含非极性键 |
一次做对,真牛!
+5奖励规则>
- 提示1:5pys6aKY6L6D5a655piT6YCJ5oup562U5qGI77yM5Y+q6KaB6K+V5Zu+5om+5Ye65Y+N5L6L5Y2z5Y+v44CC
- 答案:QQ==
56a75a2Q5YyW5ZCI54mp5Lit5Y+v6IO95a2Y5Zyo6Z2e5p6B5oCn6ZSu77yM5aaCTmE8c3ViPjI8L3N1Yj5PPHN1Yj4yPC9zdWI+44CC5Zug5q2kQemhuemUmeivr+OAgumAieaLqUHpobnjgII=
本课配套习题挑战模式2/5
单选题
难度系数:
2.下列关于离子键的说法正确的是
A: 阴阳离子通过静电引力形成离子键 |
B: 带相反电荷离子之间相互作用形成离子键 |
C: 金属与非金属化合时,一定形成离子键 |
D: 只有在活泼金属和活泼非金属化合时,才能形成离子键 |
一次做对,真牛!
+5奖励规则>
- 提示1:5q2k57G75Yik5pat6aKY55qE5YGa5rOV5Zyo5LqO5om+5Yiw5Y+N5L6L77yM5LiA5LiA5o6S6Zmk44CC
- 提示2:5rOo5oSP56a75a2Q6ZSu5piv5oyH6Zi06Ziz56a75a2Q6YCa6L+H6Z2Z55S15L2c55So5b2i5oiQ55qE77yM6Z2Z55S15L2c55So5YyF5ZCr5byV5Yqb77yM5Lmf5YyF5ZCr6LSo5a2Q5LiO6LSo5a2Q44CB55S15a2Q5LiO55S15a2Q5LmL6Ze055qE5pal5Yqb44CC
- 答案:Qg==
4oCc56a75a2Q6ZSu5piv5bim55u45Y+N55S16I2356a75a2Q5LmL6Ze055qE55u45LqS5L2c55So4oCd6L+Z56eN6Z2Z55S15L2c55So5piv5byV5Yqb5ZKM5pal5Yqb55qE5bmz6KGh77yM5pWFQemUmeOAgjxicj7ph5HlsZ7kuI7pnZ7ph5HlsZ7ljJblkIjml7bkuI3kuIDlrprlvaLmiJDnprvlrZDplK7lpoJBbENsPHN1Yj4zPC9zdWI+5bCx5piv5YWx5Lu36ZSu77ybPGJyPumdnumHkeWxnuS4jumdnumHkeWxnuWMluWQiOS5n+WPr+S7peW9ouaIkOemu+WtkOmUruS+i+Wmgu+8mk5IPHN1Yj40PC9zdWI+Q2zjgII=
本课配套习题挑战模式3/5
多选题
难度系数:
3.关于化学键的下列叙述中,正确的是
A: 离子化合物可以含共价键 |
B: 共价化合物可能含离子键 |
C: 离子化合物中只含离子键 |
D: 共价化合物中不含离子键 |
一次做对,真牛!
+5奖励规则>
- 提示1:5LuO56a75a2Q5YyW5ZCI54mp55qE5a6a5LmJ5YWl5omL77yM5YyW5ZCI54mp5Lit5Y+q6KaB5ZCr5pyJ56a75a2Q6ZSu5bCx5piv56a75a2Q5YyW5ZCI54mp
- 答案:QSxE
56a75a2Q5YyW5ZCI54mp5LiA5a6a5pyJ56a75a2Q6ZSu77yM5Y+v5Lul5ZCr5YWx5Lu36ZSu77yM5YWx5Lu35YyW5ZCI54mp5Y+q6IO95ZCr5pyJ5YWx5Lu36ZSu44CC
本课配套习题挑战模式4/5
单选题
难度系数:
4.主族元素X、Y可形成XY2型离子化合物,它们的原子序数为
A: 6,8 |
B: 12,9 |
C: 16,8 |
D: 11,16 |
一次做对,真牛!
+5奖励规则>
- 提示1:56a75a2Q5YyW5ZCI54mp77yM5LiA6Iis55Sx6YeR5bGe5YWD57Sg5LiO6Z2e6YeR5bGe5YWD57Sg5YyW5ZCI6ICM5oiQ5Y+v5Lul5b2i5oiQ44CCWFk8c3ViPjI8L3N1Yj7lnovnprvlrZDljJblkIjnianvvIzor7TmmI5Y5Li6KzLku7fvvIxZ5Li6LTHku7fjgII=
- 答案:Qg==
56a75a2Q5YyW5ZCI54mp77yM5LiA6Iis55Sx6YeR5bGe5YWD57Sg5LiO6Z2e6YeR5bGe5YWD57Sg5YyW5ZCI6ICM5oiQ5Y+v5Lul5b2i5oiQ44CCWFk8c3ViPjI8L3N1Yj7lnovnprvlrZDljJblkIjnianvvIzor7TmmI5Y5Li6KzLku7fvvIxZ5Li6LTHku7fjgII8YnI+5bCG5ZCE6YCJ6aG55Lit55qE5Y6f5a2Q5bqP5pWw5LiA5LiA5bCd6K+V5Y+v55+l77yMQumhueespuWQiOmimOaEj+OAgg==
本课配套习题挑战模式5/5
单选题
难度系数:
5.氢化铵(NH4H)与氯化铵的结构相似,已知NH4H与水反应时有H2生成,下列叙述不正确的是
A: NH4H是离子化合物,含有离子键和共价键 |
B: NH4H溶于水,所形成的溶液显碱性 |
C: NH4H与水反应时,NH4H是氧化剂 |
D: 将NH4H固体投入水中,有两种气体产生 |
一次做对,真牛!
+5奖励规则>
- 提示1:6YCa6L+H6aKY5bmy5L+h5oGv77yM5Y+v5Lul5bCGTkg8c3ViPjQ8L3N1Yj5I55qE57uT5p6E57G75q+U5Li65rCv5YyW6ZO144CC
- 提示2:6L+Y6ZyA6KaB5rOo5oSP6ZO155uQ55qE5LiN56iz5a6a5oCn77yM6ICMTkg8c3ViPjQ8L3N1Yj5I5LiO5rC05Y+N5bqU5pS+54Ot44CC
- 答案:Qw==
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