Quantum-Mechanical Model

Definition

The quantum mechanical model is based on quantum theory, which says matter also has properties associated with waves. It describes electrons as they move around the nucleus within regions called electron clouds or orbitals.

Related terms

Orbital: A region around the nucleus within an atom where there's high probability to find an electron.

Quantum Theory: A theory that explains how tiny particles like atoms and photons work, including their dual wave-like and particle-like characteristics.

Electron Clouds: Regions inside an atom where electrons are likely to be found.