chapter8tro - CHEMISTRY 161 Chapter 8 ATOMIC ORBITALS(n l...

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CHEMISTRY 161 Chapter 8
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Ψ (n, l, m l , m s ) ATOMIC ORBITALS n l m l orbitals designation 1 0 0 1 1s 2 0 0 1 2s 1 -1,0,+1 3 2p x ,2p y ,2p z 3 0 0 1 3s 1 -1,0,+1 3 3p x ,3p y ,3p z 2 -2,-1,0,+1,+2 5 3d xy ,3d yz ,3d xz , 3d x 2 -y 2 ,3d z 2
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H Atom Orbital Energies energy level diagram H atom 3 s 3 p 3 d 2 s 2 p 1 s E energy depends only on principal quantum number orbitals with same n but different l are degenerate
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1 s E 2 s 2 p 3 s 3 p 3 d 4 s 4 p 5 s 4 d MULTI-ELECTRON ATOM orbitals with same n and different l are not degenerate energy depends on n and m l EXAMPLES [Xe] EXP I
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Periodic Table of the Elements period g r o u p chemical reactivity - valence electrons ns 1 ns 2 ns 2 np 6 ns 2 (n-1)d x
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PERIODIC TRENDS 3. IONIZATION ENERGIES 4. ELECTRON AFFINITIES 1. ATOMIC RADIUS 2. IONIC RADIUS
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ATOMIC RADIUS MAIN GROUPS ATOMIC RADIUS EXP II
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1s, 2s, 3s 3s 2s 1s
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2p x , 3p x , 4p x 4p x 3p x 2p x
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ATOMIC RADIUS MAIN GROUPS ATOMIC RADIUS effective nuclear charge (shielding s vs p orbitals)
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IONIC RADII IONIC RADIUS IONIC RADIUS
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This note was uploaded on 11/15/2010 for the course CHEM 161 taught by Professor Casaschi,a during the Fall '08 term at University of Hawaii, Manoa.

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chapter8tro - CHEMISTRY 161 Chapter 8 ATOMIC ORBITALS(n l...

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