06 Notes - Quantum Numbers

06 Notes - Quantum Numbers - Pluchino Regents Chemistry...

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Pluchino – Regents Chemistry Atomic History & Electron Configuration – 06 Quantum Numbers Aim: How do we describe the electrons of an atom? Do Now: What information is essential to describe the probable location of a given electron? In order to fully describe an electron you need to answer the following questions: Which energy level is the electron in? Which sublevel is the electron in? Which orbital is the electron occupying? Is the electron spin up or spin down? Quantum Numbers Every electron in an atom will have a unique set of quantum numbers… [ n , l , m , s ] We can use these quantum numbers to express the most important pieces of information about the electron. Principle Quantum Number “n” Describes the energy level the electron is in Can have any integer value greater than or equal to 1 (usually 1, 2, 3, or 4) Azimuthal Number “l Describes which sublevel the electron is in Can be any integer between 0 and n-1 o s = 0 o p = 1 o
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This note was uploaded on 01/01/2012 for the course CHEM 101 taught by Professor Donahue during the Spring '11 term at Long Island U..

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06 Notes - Quantum Numbers - Pluchino Regents Chemistry...

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