25 - TETRAHEDRAL | 109.5 AX 4 AEX 3(TRIGONAL PYR AE 2 X 2 4...

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1. Electronic geometry – 3D arrangement and NAME of the electron regions* around a central atom. *e- region governs the overall shape! *ONLY 5 possible shapes for e- geometric 2. Molecular geometry – 3D arrangement and NAME considering only the ATOMS surrounding a central atom.  1.) 2 regions o------O------o LINEAR 180 0 0 | 2.) 3 regions o--------O---- 0 TRIGONAL PLANAR 120 0 AX 3 / AEX 2 (BENT) 0 | 3.) 4 regions o-------O----
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Unformatted text preview: TETRAHEDRAL | 109.5 AX 4 / AEX 3 (TRIGONAL PYR) / AE 2 X 2 (?) 4.) 5 regions o------O------o TRIGONAL BIPYRAMID 180 0 (axial) 120 0 (equatorial) AX 5 / AEX 4 (BENT) / AE 2 X 3 (T-SHAPED) /AE 3 X 2 5.) 6 regions o------O------o OCTAHEDRAL 180 0 (axial) 90 0 (equatorial) AX 6 / AEX 5 (SQ PYRAMID) / AE 2 X 4 (SQ PLANAR) / AE 3 X 3 /AE 4 X 2...
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