1- The gap between the higher and lower energy levels is called (CFSE). 2- Splitting of d orbitals in an octahedral field divided to t;g and eg. 3- dxy, dxz, and dyz point their lobes directly at the point-charge ligands.

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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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1- The gap between the higher and lower energy levels is called (CFSE).
2- Splitting of d orbitals in an octahedral field divided to tog and eg.
3- dxy, dxz, and dyz point their lobes directly at the point-charge ligands.
4- Strong field (low-spin), Yields the minimum number of unpaired electrons.
5- In Tetrahedral Arrangement, Weak-field case (high-spin) always applies.
6- The energy of the two electrons is lower than the energy of the individual atoms, the molecule
is stable.
7- The term bond order refers to the number of bonds that exist between two atoms.
8- tzg orbitals (dxy, dxz, dyz) are non-bonding in a o-bonded octahedral complex.
9. CFT explain the spectra of transition elements compounds in particular uv- vis area, But
neglected the electrostatic bonding and suppose the metal and ligand bonding by covalent bond.
10- MOT studied the bonding in different compounds and found different way with electrostatic
behavior.
False
True
1
4
6.
7
8
9.
10
Transcribed Image Text:1- The gap between the higher and lower energy levels is called (CFSE). 2- Splitting of d orbitals in an octahedral field divided to tog and eg. 3- dxy, dxz, and dyz point their lobes directly at the point-charge ligands. 4- Strong field (low-spin), Yields the minimum number of unpaired electrons. 5- In Tetrahedral Arrangement, Weak-field case (high-spin) always applies. 6- The energy of the two electrons is lower than the energy of the individual atoms, the molecule is stable. 7- The term bond order refers to the number of bonds that exist between two atoms. 8- tzg orbitals (dxy, dxz, dyz) are non-bonding in a o-bonded octahedral complex. 9. CFT explain the spectra of transition elements compounds in particular uv- vis area, But neglected the electrostatic bonding and suppose the metal and ligand bonding by covalent bond. 10- MOT studied the bonding in different compounds and found different way with electrostatic behavior. False True 1 4 6. 7 8 9. 10
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