3: The Quantum-Mechanical Model of the Atom Last updated Aug 25, 2020 Save as PDF 2.8: Atoms and the Mole - How Many Particles? 3.1: Schrödinger's Cat Page ID273724 ( \newcommand{\kernel}{\mathrm{null}\,}\) A general chemistry Libretexts Textmap organized around Nivaldo Tro's textbook Chemistry: Structure and Properties An Atoms First Approach Template:HideTOC 3.1: Schrödinger's Cat3.2: The Nature of Light3.3: Atomic Spectroscopy and The Bohr Model3.4: The Wavelength Nature of Matter3.5: Quantum Mechanics and The Atom3.6: The Shape of Atomic Orbitals Thumbnail: The dz2 Orbital.