9.7 Molecular Orbital (MO)Theory 分子轨道理论 Molecular Orbitals from Is Atomic Orbitals: Two A0s Two MOs An antibonding Node Molecular Orbital has higher energy s and lower stability Antibonding MO 反键轨道 A bonding 01 Molecular Orbital Bonding MO成键轨道 has lower energy H Atomic orbitals H2 Molecular orbitals and greater stability No.ofMO=No.ofAO used to“make”them9.7 Molecular Orbital (MO) Theory Two AOs Two MOs An antibonding Molecular Orbital has higher energy and lower stability Molecular Orbitals from 1s Atomic Orbitals: 分子轨道理论 反键轨道 No. of MO = No. of AO used to “make” them. A bonding Molecular Orbital has lower energy and greater stability 反键轨道 成键轨道