元素X、Y、Z原子序数之和为36,X、Y在同一周期,X+与Z2﹣具有相同的

元素XYZ原子序数之和为36XY在同一周期,X+Z2﹣具有相同的核外电子层结构.下列推测不正确的是( 

A.同周期元素中X的金属性最强

B.原子半径XY,离子半径X+Z2

C.同族元素中Z的氢化物稳定性最高

D.同周期元素中Y的最高价含氧酸的酸性最强

答案

B

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