5. The probability map of 2Pz orbital have two lobes. Since there is noprobability to find electron in the xy-plane, how can electron move fromone lobe to another lobe? (10 %)

9. The energy of molecular orbitals for formaldehyde (H2CO) was listed asfollowing (only valence shell was used): (10 %)E1(-38.12520 eV), E2( -24.22435 eV), E3( -17.14038 eV), E4( -16.39972 eV), E5( -14.32883 eV), E6(-10.63006 eV),E7( 0.82666 eV), E8( 2.70776eV),E9( 4.16055 eV ), E10(6.66917 eV)Calculate the energy difference between HOMO and LUMO forformaldehyde.

5. The probability map of 2P_z orbital have two lobes. Since there is noprobability to find electron in the xy-plane, how can electron move fromone lobe to another lobe? (10 %)

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