(1) sp3 Hybridization Bonding in methane H H-C-H CH (b) H
（1） sp3 Hybridization Bonding in Methane HCH H H CH4
(1) sp3 Hybridization Configuration isomers enantiomers ■ a chiral carbon a carbon linked With four different kinds of atoms H w"∥CH2C!| H H HO CIH2C H CH3 HRc Mirror Mirror
（1） sp3 Hybridization Configuration isomers —— enantiomers a chiral carbon —— a carbon linked with four different kinds of atoms H H H H H H HH Mirror H HO CH3 CH2Cl H OH ClH2CH3C Mirror
(1) sp3 Hybridization Bonding in ethane C—C键:σ键(sp3 H-C-C-H CH3CH3 Sp HH 媸。c
（1） sp3 Hybridization Bonding in Ethane CCH H H H H H CH3CH3 C — C 键： σ 键（ sp3 - sp3） C — H 键： σ 键（1s - sp3）
(1) sp3 Hybridization Conformation isomer -ethane d2
（1） sp3 Hybridization Conformation isomer —— ethane
(2) sp2 Hybridization -c 1s22s22p4 2s2p422020P0m02s2px12py2p2 1s+1px+ 1p 1p, hybridization, 3 sp2+ 1 p each orbital has one electron
（2） sp2 Hybridization C 1s22s22p2 2s22px12py12pz0 2s12px12py12pz1 1s + 1px + 1py + 1pz 3 sp2 + 1 pz each orbital has one electron promotion hybridization