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Ch.11 - Chemical Bonding II: Molecular Shapes, VSEPR & MO Theory
Tro - Chemistry: A Molecular Approach 5th Edition
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Tutti i libri di testoTro 5th EditionCh.11 - Chemical Bonding II: Molecular Shapes, VSEPR & MO TheoryProblema 57
Capitolo 11, Problema 57

Write orbital diagrams (boxes with arrows in them) to represent the electron configuration of carbon before and after sp3 hybridization.

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Start by writing the ground state electron configuration of carbon, which is 1s^2 2s^2 2p^2.
Draw the orbital diagram for the ground state configuration: two arrows in the 1s box, two arrows in the 2s box, and two arrows in the 2p boxes, with one arrow in each of the first two 2p boxes.
Understand that in sp3 hybridization, one electron from the 2s orbital is promoted to the empty 2p orbital, resulting in the configuration 1s^2 2s^1 2p^3.
Draw the orbital diagram for the hybridized state: two arrows in the 1s box, one arrow in the 2s box, and one arrow in each of the three 2p boxes.
Combine the 2s and 2p orbitals to form four equivalent sp3 hybrid orbitals, each containing one electron, ready to form covalent bonds.

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Electron Configuration

Electron configuration describes the distribution of electrons in an atom's orbitals. For carbon, which has six electrons, the ground state configuration is 1s² 2s² 2p². This notation indicates that two electrons occupy the 1s orbital, two occupy the 2s orbital, and two occupy the 2p orbitals, which is crucial for understanding how carbon bonds and hybridizes.
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Electron Configuration Example

Orbital Diagrams

Orbital diagrams visually represent the arrangement of electrons in an atom's orbitals using boxes and arrows. Each box represents an orbital, and arrows indicate the presence of electrons, with their direction showing spin. These diagrams help illustrate the filling order of orbitals according to the Aufbau principle, Hund's rule, and the Pauli exclusion principle, which are essential for understanding electron configurations.
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Electron Orbital Diagrams

sp3 Hybridization

sp3 hybridization occurs when one s orbital and three p orbitals mix to form four equivalent hybrid orbitals, which are oriented tetrahedrally. In carbon, this hybridization allows for the formation of four sigma bonds, as seen in molecules like methane (CH₄). Understanding sp3 hybridization is key to grasping how carbon can form stable covalent bonds with other atoms.
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Hybridization
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Write orbital diagrams (boxes with arrows in them) to represent the electron configurations of carbon before and after sp hybridization.

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Which hybridization scheme allows the central atom to form more than four bonds? sp3, sp3d, sp2

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Which hybridization scheme allows the formation of at least one p bond? sp3, sp2, sp3d2

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