2008 National Question 4 Single-choice Differentiating 2008_quanguo_old_i 4.(3分)下列各组给定原子序数的元素,不能形成原子数之比为1:1稳定化合物的是( ) A. 3和17B. 1和8C. 1和6D. 7和12 Answer keyD ☆ SaveCan't do it, show the explanation查看原卷 →