159_fall_07_chapter_7_deriv_of_del

159_fall_07_chapter_7_deriv_of_del - Calculation of the...

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Ch 7 1 Calculation of the Energy Levels of the Hydrogen Atom or a one electron species Bohr derived an equation for calculating the energy levels of an atom from classical principles of electrostatic attraction and circular motion E = -2.18x10 -18 J(Z 2 /n 2 ) where n = an integer (that is n= 1,2,3) And Z (atomic number) is the charge of the nucleus. For H, Z =1 The energy is arbitrarily assigned a value of zero, when the electron is located infinitely ( ) far from the nucleus Therefore, energies associated with forces of attraction are taken to be negative, accounting for the minus sign in the equation According to this model, only a discrete set of energy levels is possible The lowest (most negative) energy level has n=1 The next highest energy level has n=2, and so on
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Ch 7 2 Calculation of the Energy Levels for one electron species such as Hydrogen Atom We are generally interested in the energy change that accompanies the leap of an electron from one energy level to another
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This note was uploaded on 04/03/2008 for the course CHEM 159-160 taught by Professor Zbaida during the Fall '07 term at Rutgers.

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159_fall_07_chapter_7_deriv_of_del - Calculation of the...

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