配套习题- 碱金属单质的物理性质比较 -【青果学院】

1/5单选题

难度：

1.右图表示碱金属的某些性质与核电荷数的变化关系，下列各性质中不符合图示关系的是魔方格

A	还原性
B	与水反应的剧烈程度
C	熔点
D	原子半径

正确答案：Qw==

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

2/5单选题

难度：

2.下列碱金属元素中，密度最小、熔点最高的是

A	Li
B	Na
C	K
D	Cs

正确答案：QQ==

56Kx6YeR5bGe5YWD57Sg5Lit77yM5LuO5LiK5Yiw5LiL77yM6YeR5bGe5Y2V6LSo55qE54aU5rK454K56YCQ5riQ6ZmN5L2O44CC5Zug5q2k54aU54K55pyA5aSn55qE6YeR5bGe5Li66YeR5bGe6ZSC44CC

3/5单选题

难度：

3.下列关于碱金属某些性质的排列中正确的是

A	密度:Li<Na<K<Rb<Cs
B	原子半径: Li<Na<K<Rb<Cs
C	熔点、沸点:Li<Na<K<Rb<Cs
D	还原性:Li>Na>K>Rb>Cs

正确答案：Qg==

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

4/5单选题

难度：

4.下列关于碱金属元素的叙述错误的是

A	随核电荷数递增，碱金属单质的熔沸点逐渐减小
B	随核电荷数递增，碱金属单质的密度逐渐增大（Na、K反常）
C	碱金属元素包括F、Cl、Br、I、At五种元素
D	碱金属元素的原子最外层都只有一个电子

正确答案：Qw==

56Kx6YeR5bGe5YWD57Sg5L2N5LqO56ysSUHvvIzljIXmi6xMaeOAgU5h44CBS+OAgVJi44CBQ3PjgIFGcuOAguaJgOS7pemAiemhuUPmmK/plJnor6/nmoTvvIznrZTmoYjpgIlD44CC

5/5单选题

难度：

5.下列关于碱金属铷（Rb）的叙述正确的是

A	它位于周期表的第四周期第IA族
B	氢氧化铷是弱碱
C	在钠、钾、铷三种单质中，铷的熔点最高
D	硝酸铷是离子化合物

正确答案：RA==

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