CHM 1045 Chapter Notes - Chapter 3: Noble Gas, Pauli Exclusion Principle, Diamagnetism

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27 Dec 2017
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Wavelength (lambda) distance between identical points on successive waves. Frequency (cid:894)(cid:374)u(cid:895) number of waves that pass through a particular point in one second. The energy of a single quantum of energy is given by: Note: energy is always emitted in whole numbers of hv. Rydberg equation used to calculate the wavelengths of all hydroge(cid:374)"s spectral li(cid:374)es: (cid:4666)(cid:1864)(cid:1853)(cid:1866)(cid:1855)(cid:1863) (cid:1871) (cid:1855)(cid:1867)(cid:1866)(cid:1871)(cid:1872)(cid:1853)(cid:1866)(cid:1872)(cid:4667)=(cid:888). (cid:888)(cid:885) (cid:883)(cid:882) (cid:2871)(cid:2872) (cid:1836) (cid:1871) (cid:883)= (cid:4666)(cid:883)(cid:1866)(cid:2869)(cid:2870) (cid:883)(cid:1866)(cid:2870)(cid:2870)(cid:4667) (cid:4666)(cid:1856)(cid:1854)(cid:1857)(cid:1870)(cid:1859) (cid:1855)(cid:1867)(cid:1866)(cid:1871)(cid:1872)(cid:1853)(cid:1866)(cid:1872)(cid:4667)=(cid:883). (cid:882)9(cid:889)(cid:885)(cid:889)(cid:885)(cid:883)(cid:888) (cid:2875)(cid:1865) (cid:2869) (cid:1866)(cid:2869) (cid:1853)(cid:1866)(cid:1856) (cid:1866)(cid:2870)=(cid:1868)(cid:1867)(cid:1871)(cid:1872)(cid:1874)(cid:1857) (cid:1866)(cid:1872)(cid:1857)(cid:1870)(cid:1859)(cid:1857)(cid:1870)(cid:1871) (cid:1875) (cid:1857)(cid:1870)(cid:1857) (cid:1866)(cid:2870)>(cid:1866)(cid:2869) Where = (cid:449)a(cid:448)ele(cid:374)gth is a li(cid:374)e i(cid:374) the spectru(cid:373) Energy is emitted when the electron falls from a higher energy state to a lower energy state (i. e. ground state the lowest energy state of an atom (n=1; when (cid:1870)(cid:1857)(cid:1853)(cid:1855) (cid:1857)(cid:1871) (cid:1872) (cid:1857) (cid:1865)(cid:1867)(cid:1871)(cid:1872) (cid:1866)(cid:1857)(cid:1859)(cid:1853)(cid:1872)(cid:1874)(cid:1857) (cid:1874)(cid:1853)(cid:1864)(cid:1873)(cid:1857)) Excited state n > 1 (cid:1866)=(cid:888)(cid:1372)(cid:1866)=(cid:884)) and absorbed when the electron goes from a lower energy state to a higher energy state (i. e. (cid:1866)=(cid:884) (cid:1372)(cid:1866)=(cid:888)). Such amounts of energy can be calculated by:

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