A.鉆穿效應(yīng) B.洪特規(guī)則 C.屏蔽效應(yīng) D.A和C
A.NH3>H2O>CH4 B.H2O>NH3>CH4 C.H2O>CH4>NH3 D.CH4>NH3>H2O
A.ns2np3 B.ns2np4 C.ns2np5 D.ns2np6