Lecture 10 notes (exam 2 review)

Sphericallargern valuelargersphere 2s 3s

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Unformatted text preview: ctrons for nth Shell (= 2n2) 2 2 6 2 6 10 2 6 10 14 2 6 10 14 18 2 8 18 32 50 p Orbitals l = 0 orbital: Every shell (n level) has one s orbital. Spherical. Larger n value = larger sphere 2s 3s Probability of finding e‐ at distance r from nucleus 1s Three p orbitals (l = 1): px, py and pz Related to ml = ‐1, 0, +1. Distance from nucleus, r (pm) Valence Electrons d Orbitals • Gilbert N. Lewis: e‐ are arranged in shells. • Periodicity: similar elements have equal numbers of e‐ in their outer shell. • Outer‐shell e‐ = valence electrons = e‐ in incomplete shells, and Five d orbitals (l = 2): partially‐filled d orbitals 3dxz 3dxy 3dyz 3dx ‐ y 3dz2 2 2 • Inner e‐ = core electrons. 2 2/6/2009 Valence Electrons atom N Si Se Mn configuration 1s2 2s2 2p3 1s2 2s2 2p6 3s2 3p2...
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This note was uploaded on 03/02/2014 for the course CHEM 101 taught by Professor Multipleprofs during the Spring '07 term at Drexel.

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