A.2.21×10-4 B.1.1×10-4 C.4.41×10-4 D.17.64×10-4
A.配位數(shù) B.偶極矩 C.分子的極性 D.鍵的極性
A.3,2,0,+1/2 B.2,1,0,-1/2 C.1,1,0,+1/2 D.5,3,0,+1/2