AP Chemistry Flashcards: VSEPR and Hybridization
Written by AP Content Team, Verified for 2026 AP Exams, Last updated: May 2026
Review key ideas with interactive flashcards. This set includes 11 cards to help you master important concepts.
Compare the relative strengths of sigma (σ) and pi (π) bonds.
Sigma (σ) bonds are stronger and have higher bond energy than pi (π) bonds.
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Compare the relative strengths of sigma (σ) and pi (π) bonds.
Sigma (σ) bonds are stronger and have higher bond energy than pi (π) bonds.
What is the ideal bond angle for a central atom with sp³ hybridization?
A central atom with sp³ hybridization has an ideal bond angle of 109.5°.
What two general categories of molecular properties are explained by using Lewis diagrams, VSEPR, bond orders, and bond polarities together?
The combination of these concepts is used to explain both the structural properties and the electron properties of molecules.
What two types of bonds, formed from atomic orbital overlap, constitute multiple bonds?
Multiple bonds consist of a combination of sigma (σ) bonds and pi (π) bonds.
A molecule's central atom has sp² hybridization. What is its ideal bond angle?
A central atom with sp² hybridization corresponds to an ideal bond angle of 120°.
What molecular properties can be predicted using Lewis diagrams and VSEPR theory?
These tools are used to predict molecular geometry, bond angles, relative bond energies and lengths, the presence of a dipole moment, and hybridization.
What is a significant structural consequence of a pi (π) bond in a molecule?
The presence of a pi (π) bond prevents the rotation of the bond, which can lead to the existence of geometric isomers.
What is the fundamental principle of VSEPR theory?
VSEPR theory predicts the arrangement of electron pairs around a central atom based on the principle of minimizing Coulombic repulsion between them.
What ideal bond angle is associated with sp hybridization?
The ideal bond angle associated with sp hybridization is 180°.
What is hybridization?
Hybridization describes the arrangement of electrons around a central atom, where atomic orbitals mix to form new hybrid orbitals corresponding to specific bond angles.
How is bond formation described in terms of atomic orbitals?
Bond formation is described as the process involving the overlap of atomic orbitals between two atoms.