33/3=11
氖、钠、镁.
或
锂、钠、钾.
还有:碳、硅、铝
A,B,C是元素周期表中相邻的三元素,核外电子总数33.则符合条件的共有几组,分别是.
A,B,C是元素周期表中相邻的三元素,核外电子总数33.则符合条件的共有几组,分别是.
化学人气:413 ℃时间:2020-04-07 07:37:11
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