CM-UY 1004 Chapter 7.1-7.2: Chem Review - CHAPTER 7.1-7.2 – THE ELECTRONIC STRUCTURE OF ATOMS
31 Jul 2016
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Chapter 7 the electronic structure of atoms. 1900 max planck discovered that atoms and molecules only emit energy in discrete quantities called quanta. Wave vibrating disturbance by which energy is transmitted. Wavelength ( ) distance (in m, cm or nm) between identical points on successive waves. Frequency ( ) number of waves that pass a particular point in a second (expressed in hz. Amplitude vertical distance from the midline of a wave to the peak (highest point) or trough (lowest point) Speed of a wave = product of wavelength and frequency u = . 1873 james clerk maxwell proposed that visible light consists of electromagnetic waves. Significance: provides mathematical description of the general behavior of light. Describes how energy in the form of radiation can be propagated through space. An electromagnetic wave has an electric field component and a magnetic field component. Electromagnetic radiation is the emission and transmission of energy in the form of electromagnetic waves.
