An atomic orbital is a term used to describe the wave-like movements of an electron in an atom. Atomic orbitals are used to calculate the chance of discovering an electron in any specific region surrounding an atom’s nucleus.
Orbitals in an atom can be identified by three separate quantum numbers which represent the electron’s angular momentum, energy, and angular momentum vector compound. Any one orbital is populated by two electrons at the most, each with a unique spin quantum number.
This video discusses the different types of orbitals, quantum mechanical wave functions, hybridisation, and what molecules really look like.