Quantum theory of the atomic electron cloud

Waves      Progressive wave (animation)      Electromagnetic waves      Quanta      The Bohr atom      Detail of Bohr's theory      Calculation of λ and ΔE with Bohr's theory      Quantum mechanics      Waves and matter (exercises)      Waves and energy (exercises)      Electron levels in atoms      Fill order of the energy levels in an atom      Atomic orbitals      Atomic orbitals (animation et details)      Electron structure of atoms (animation)      Electron structure of atoms (exercises)      The outer (valence) electrons      The Lewis structure of atoms      The Lewis structure of ions      Table of Lewis structures of atoms      Table of Lewis structures of ions