南开大学 / 魅力科学(尔雅)
正确率:100%
以下核外电子填充次序正确的是?()
A.3s,3p,3d,4s,4p
B.3s,3p,4s,4p,3d
C.3s,3p,4s,3d,4p
D.3s,4s,3p,3d,4p
参考答案:
A.3s,3p,3d,4s,4p
B.3s,3p,4s,4p,3d
C.3s,3p,4s,3d,4p
D.3s,4s,3p,3d,4p