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Quantum & Atomic Physics

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Quantum & Atomic Physics

Atomic Orbital

A mathematical function describing the three-dimensional spatial wave function and probability distribution of an electron in an atom.

ψ_n,l,m_l(r, θ, φ) = R_n,l(r) Y_l,m_l(θ, φ) Dimensionless Spatial Function
Quantum & Atomic Physics

Aufbau Principle

A rule governing electron configuration stating that electrons fill atomic orbitals of lower energy levels before occupying higher energy…

Order: 1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, 5s... Dimensionless Rule
Quantum & Atomic Physics

Auger Effect

A non-radiative atomic process in which the filling of an inner-shell electron vacancy causes the ejection of a second outer-shell (Auger)…

E_Auger = E_K - E_L1 - E_L2,3 eV (Electron-Volts)