单项选择题
A.3d>4s B.3d<4s C.3d=4s D.无3d,4s轨道,无所谓能量高低.
A.524nm B.434nm C.486nm D.656nm
A.0.53pm B.0.53nm C.53pm D.53nm
A.-13.6ev B.-3.4ev C.-6.8ev D.13.6ev
微信扫一扫,加关注免费搜题