试题与答案

若发现第120号元素,则可能推测它一定在()。 A.第八周期,第ⅠA族 B.第七周期

题型:单项选择题

题目:

若发现第120号元素,则可能推测它一定在()。

A.第八周期,第ⅠA族

B.第七周期,第ⅣA族

C.第八周期,第ⅡA族

D.第八周期,第ⅣB族

答案:

参考答案:C

解析:

根据元素的核外电子的排列规则进行判定

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