3杂化轨道中重的形成只有未杂化、纯的p 轨道才能形成键) a双键C2H4S=N-A=24-12=1280C= HH C(Hel: t hybridize 2s2p: P Sp sp C3. 杂化轨道中重键的形成(只有未杂化、纯的p 轨道才能形成p键) a 双键—C2H4 S = N - A = 24 -12 = 12 C C C=C H H H H H H H H C [He] C [He] 2s 2p hybridize sp 2 2pz C sp 2 sp 2 sp 2 sp 2 sp 2 sp 2 C C sp 2 sp 2 sp 2 sp 2 sp 2 sp 2 C