Hybridization - AP® Chemistry Definition

Reviewed by: Alexandra Brennan

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What is hybridization?

Hybridisation in chemistry refers to the concept of mixing atomic orbitals to create new hybrid orbitals, which are used to describe the bonding properties of atoms in molecules. This process allows for the formation of orbitals with suitable directional characteristics to form chemical bonds.

For instance, when carbon forms four covalent bonds, its 2s and three 2p orbitals hybridise to create four equivalent sp³ hybrid orbitals, oriented in a tetrahedral geometry. This model helps explain molecular shapes and bond angles in complex molecules, playing a crucial role in understanding molecular structure and reactivity, a fundamental aspect studied in the AP® Chemistry course.

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Alexandra Brennan

Reviewer: Alexandra Brennan

Expertise: Chemistry

Alex studied Biochemistry at Newcastle University before embarking upon a career in teaching. With nearly 10 years of teaching experience, Alex has had several roles including Chemistry/Science Teacher, Head of Science and Examiner for AQA and Edexcel. Alex’s passion for creating engaging content that enables students to succeed in exams drove her to pursue a career outside of the classroom at SME.

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