题目内容

下列各组离子,既有较强的极化性又有较强的变形性的一组是 ( )。

A. Li、Na、K
B. Mg、Ca、Ba
C. Ag、Pb、Hg
D. Cl、Br、I

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利用离子极化的相关理论,预测以下溶解度相对大小,正确的是 ( )。

A. ZnS > CdS > HgS
B. CdS > ZnS > HgS
C. HgS > ZnS > CdS
D. HgS > CdS > ZnS

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下列离子极化力由小到大排序正确的是 ( )。

A. Ge2+ < I- < Sn2+
B. Sn2+ < Ge2+ < I-
C. I- < Ge2+ < Sn2+
D. I- < Sn2+ < Ge2+

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下列碳酸盐中,分解温度最低的是( )。

A. Na2CO3
B. K2CO3
C. ZnCO3
D. MgCO3

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Choose the answer that correctly interprets the sentence from the text.1.One night, I didn’t turn off the water fast enough to her liking. (Para. 1)

A. One night, she wasn't pleased with the way I turned off the water, because she thought I didn't do it fast enough.
B. One night, I didn't turn off the water as fast as she did; it seemed that she liked doing it herself.

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下列各组离子,既有较强的极化性又有较强的变形性的一组是 ( )。

A. Li、Na、K B. Mg、Ca、Ba C. Ag、Pb、Hg D. Cl、Br、I

利用离子极化的相关理论,预测以下溶解度相对大小,正确的是 ( )。

下列离子极化力由小到大排序正确的是 ( )。

下列碳酸盐中,分解温度最低的是( )。

Choose the answer that correctly interprets the sentence from the text.1.One night, I didn’t turn off the water fast enough to her liking. (Para. 1)

A. Li、Na、K
B. Mg、Ca、Ba
C. Ag、Pb、Hg
D. Cl、Br、I