Physics
Quantum Mechanical Model of the Atom
Quick fact
The quantum mechanical model allows scientists to predict where an electron might be found at any given moment, not exactly where it is.
Why this is interesting
Did you know that electrons don’t orbit the nucleus like planets? Instead, they exist in probability clouds called orbitals.
Read the full explanation
Understanding Quantum Mechanical Model of the Atom
In the quantum mechanical model, atoms are viewed as having a nucleus surrounded by regions of space where electrons are likely to be found. These regions, called orbitals, describe probability distributions rather than fixed paths. Electrons behave both like particles and waves, which means their exact position can't be determined, only the likelihood of finding them in certain areas.
A deeper explanation
The quantum mechanical model is based on wave functions derived from Schrödinger’s equation. These equations reveal that electrons have specific energy levels and are described by quantum numbers like principal, angular momentum, magnetic, and spin. This framework explains phenomena such as electron transitions between energy states, which underpin atomic emission and absorption spectra.