5-C - Quantum Numbers 1 Electron Radial Distribution 2...

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1 Quantum Numbers
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2 Electron Radial Distribution
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3 Electron Radial Distribution s Orbital Shapes:
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4 Electron Radial Distribution p Orbital Shapes:
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5 Electron Radial Distribution d and f Orbital Shapes:
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6 Effective Nuclear Charge Electron shielding leads to energy differences among orbitals within a shell. Net nuclear charge felt by an electron is called the effective nuclear charge ( Z eff ) .
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7 Effective Nuclear Charge Z eff is lower than actual nuclear charge. Z eff increases toward nucleus ns > np > nd > nf This explains certain periodic changes observed.
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8 Effective Nuclear Charge
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9 Electron Configuration of Atoms Pauli Exclusion Principle: No two electrons in an atom can have the same quantum numbers ( n , l , m l , m s ). Hund’s Rule: When filling orbitals in the same subshell, maximize the number of parallel spins.
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Electron Configuration of Atoms Rules of Aufbau Principle: 1. Lower n orbitals fill first. 2.
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This note was uploaded on 02/29/2012 for the course CHM 111 taught by Professor Colyer during the Summer '08 term at Wake Forest.

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5-C - Quantum Numbers 1 Electron Radial Distribution 2...

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