2s Orbital

Definition

The 2s orbital is a type of atomic orbital, or region where an electron can exist within an atom. It's part of the second energy level (n=2) and has a spherical shape.

Related terms

Atomic Orbital: A region in an atom where there is a high probability to find electrons.

Energy Level: The fixed amount of energy that a system described by quantum mechanics, such as a molecule, atom, electron, or nucleus, can have.

Electron Configuration: The distribution of electrons of an atom or molecule (or other physical structure) in atomic or molecular orbitals.