Final answer:
The combination of one s orbital and two p orbitals through hybridization results in sp² hybridization, forming three equal sp² orbitals that are oriented in a trigonal planar geometry around the nucleus.
Step-by-step explanation:
Combining an s orbital with 2 p orbitals through hybridization forms sp² hybridization. In an sp² hybridization process, one s orbital and two p orbitals in a valence shell mix and produce a set of three equal hybrid orbitals called sp² orbitals. Each sp² orbital has one-third s-orbital and two-third p-orbital character. The resulting sp² orbitals are oriented in a trigonal planar geometry at 120° angles from each other, with the nucleus in the center, which contrasts with sp³ hybridization where the orbitals arrange themselves in a tetrahedral geometry. This leaves one p orbital unhybridized which lies perpendicular to the plane of the sp² orbitals.