配套习题- 元素周期表的结构 -【青果学院】

1/5单选题

难度：

1.下列元素属于长周期主族元素的是

A	Li
B	P
C	Fe
D	Br

正确答案：RA==

Qe+8jkxp5Li656ys5LqM5ZGo5pyf56ys4oWgQeWFg+e0oO+8jOWNs+S4uuefreWRqOacn+S4u+aXj+WFg+e0oO+8jOaVhUHkuI3pgInvvJs8YnI+Qu+8jlDkuLrnrKzkuInlkajmnJ/nrKzihaRB5peP5YWD57Sg77yM5Y2z5Li655+t5ZGo5pyf5Li75peP5YWD57Sg77yM5pWFQuS4jemAie+8mzxicj5D77yORmXkuLrnrKzlm5vlkajmnJ/ihaTihaLml4/lhYPntKDvvIzkuI3mmK/kuLvml4/lhYPntKDvvIzmlYVD5LiN6YCJ77ybPGJyPkTvvI5CcuS4uuesrOWbm+WRqOacn+KFpOKFoUHml4/lhYPntKDvvIzkuLrplb/lkajmnJ/kuLvml4/lhYPntKDvvIzmlYVE6YCJ77ybPGJyPuaVhemAiUTvvI4=

2/5单选题

难度：

2.某元素的原子结构示意图为：

，则该元素在元素周期表中的位置

A	第二周期，第ⅠA族
B	第二周期，第ⅤA族
C	第三周期，第ⅣA族
D	第三周期，第ⅤA族

正确答案：RA==

55SxM+S4queUteWtkOWxgu+8jOWkhOS6juesrOS4ieWRqOacn++8jOacgOWkluWxgueUteWtkOaVsOS4ujXvvIzlpITkuo7ihaRB5peP77yM5pWF6K+l5YWD57Sg5aSE5LqO56ys5LiJ5ZGo5pyf56ys4oWkQeaXj++8jOaVhemAiUTvvI4=

3/5单选题

难度：

3.元素性质呈周期性变化的根本原因是

A	核外电子排布呈周期性变化
B	元素的相对原子质量逐渐增大
C	核电荷数逐渐增大
D	元素化合价呈周期性变化

正确答案：QQ==

5qC45aSW55S15a2Q5ZGI5ZGo5pyf5oCn5Y+Y5YyW77yM5a+86Ie05YWD57Sg55qE5YyW5a2m5oCn6LSo5Lmf5ZGI5ZGo5pyf5oCn5Y+Y5YyW44CC

4/5单选题

难度：

4.下列说法中正确是

A	周期表是按原子量逐渐增大的顺序从左到右排列的
B	最外层电子数相同的元素都是同一族
C	同族元素原子的最外层电子数一定相同
D	同周期元素原子的电子层数相同

正确答案：RA==

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

5/5单选题

难度：

5.A、B两主族元素属于同一周期，它们的原子能以共价键结合成化学式为AB₂型分子，A、B元素在周期表中的族序数可能为

A	ⅠA、ⅤA
B	ⅠA、ⅦA
C	ⅣA、ⅥA
D	ⅡA、ⅦA

正确答案：Qw==

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