PPT-Spectroscopy and Electron Configurations

Light is an electromagnetic wave Wave Characteristics Frequency ν number of waves that pass a point in a given period of time Total energy is proportional to amplitude and frequency of waves . Molecular Orbital Theory:. Donor- Acceptor Interactions. Molecular Orbital Theory: Full ML. 6. Molecular Orbital Theory: Simplified. Counting d-electron Configurations. Counting d-electron Configurations. (AES). 1. Brief History. Auger . E. ffect discovered in 1920’s. Meitner published first journal. Auger transitions . considered noise at first. 1953-JJ Lander. Characterization of solids today. 2. Three Steps of Auger Electron Spectroscopy. Energy Loss . Spectroscopy. Xiaozhe. Zhang. 10/31/2014. Electron . Energy. Loss Spectroscopy. Inelastic . scattering. is a fundamental scattering process in which the kinetic energy of an incident particle is not conserved (in contrast to elastic scattering).. Energies in Relation to Periodic Table. 3d. 4f. 1s. 2p. http://www.docstoc.com. Energies of Orbitals. E. Hydrogen. ei. Everything other than Hydrogen. Questions: . What . is the difference between the two? Why do you think hydrogen is different?. Shielding and Penetration. Orbitals with radial probability closer to the nucleus are more . penetrating. . . The closer, more penetrating orbitals, are . shielding. the further orbitals from the nucleus. . Electron Configurations. The way electrons are arranged in atoms. Energy Levels (Principle Quantum Number – n). First energy level. Only s sublevel (1 s orbital). Only 2 electrons. 1s. 2. Second energy level. Department of Chemistry. Dylan W. Benningfield. Electron Spin Resonance (ESR). Electron spin resonance (ESR. ). Electron . paramagnetic resonance (EPR) . Study of paramagnetic materials. Radicals, bi-radicals, triplet states, unfilled conduction bands, transition metal ions, impurities in semi-conductors, etc.. Curtis A. Meyer. Carnegie Mellon University. Outline. What are the current issues in spectroscopy?. What is needed to do spectroscopy?. What might be interesting in the future?. 3/15/10. 2. Electron-Ion Collider Workshop. To write the electron configuration of an ion formed by a main group element:. Write the configuration for the atom.. Add or remove the appropriate number of electrons.. Na: 1. s. 2. 2. s. 2. 2. (2).  .  . Maria Novella Piancastelli.  . Sorbonne . Universités. , UPMC . Univ. Paris 06, CNRS, . Laboratoire . de Chimie Physique-Matière et . Rayonnement, . France.  . Department of Physics and Astronomy, . Quantum Atomic Theory. Heisenberg (1901-1976). Schrödinger (1887-1961). Einstein (1879-1955). Pauli (1900-1958). Plank (1858-1947). Bohr-Rutherford . vs. Quantum. Similarities. Electrons have discrete amounts of energy. GÖZDE ARIBAL . . 20823751 . AYKUT BİLİR . 20823842. BORGA DERBENT. . 20823966. the development of quantum theory early in the twentieth century and remains at the frontier of physics today There are several inconsistent Modern quantum theory reinforces Bohrs conclusion that what Three rules:. electrons fill orbitals starting with lowest n and moving upwards;. The order is: 1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, 5s, 4d etc.. Orbital Diagram. The . electron configuration. of an atom is a shorthand method of writing the location of electrons by sublevel..