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Unformatted text preview: energy A + B . . A-B Generally, the greater the orbital overlap, the stronger the bond. Shorter bonds are usually stronger bonds. Examples of Covalent Bonds 2 H . H 2 H 1s H 1s H H ! bond bond length 0.74 A o BDE 104 kcal/mol 2 F . F 2 F 2p F 2p F F 2p ! bond bond length 1.42A o BDE 38 kcal/mol Bonding and Antibonding MOs combining atomic orbitals molecular orbitals + s s s ! * antibonding s ! bonding + p p p ! * antibonding p ! bonding + p p p ! * antibonding p ! bonding...
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