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Unformatted text preview: A. 3 B. 1 C. D. 2 E. depends on the bonded atoms 21 . In the He 2 + molecule ion, the number of electrons in antibonding orbitals is A. 1 B. 2 C. 1/2 D.1/2 E. 7 22 . In the ground state of the cluster (Li) 10 the number of electrons in bonding orbitals with principal quantum no 2 is A. 2 B. 4 C. 6 D. 8 E. 10 23. Which of the following "electron cloud" pictures best illustrates the distribution of electrons in a σ 1s bonding orbital? 24. An antibonding πorbital ( π *) contains a maximum of ___________electrons. A. 1 B. 2 C. 4 D. 6 E. 8 25 According to the molecular orbital theory for diatomic molecules, how many electrons with unpaired spins occur in the oxygen molecule? A. B. 1 C. 2 D. 3 E. 4...
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 Fall '08
 AKSYONOV
 Chemistry, Mole

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