Bonding in Ethylene乙烯 C2 Ha C:1s22s22p 2p 2p 2s 2s 11 Ground State Promoted State 3 sphybrid Orbitals o overlap:right H 1s 222.0aa00 H 1s on the axis轴 120° 2px x(2p) 年■■■■■■■■■■■■■■■■■g。装装地着 H 1s H 1s πoverlap:Parallel平行 Above and below c.........c...s ....Bonding in Ethylene C H2 4 2 2 2 C s :1 2 2 s p σ overlap: right on the axis 乙烯 σ σ σ σ σ 120 ° on the axis π overlap: Parallel Above and below 平行 轴