Geometry and favorite bonding modes (total number of bonds) for C, N,O, halogen, H 4 3 2 1 1 (2) (1) (4) (3) N O, these elements may have a variable number.

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Presentation transcript:

Geometry and favorite bonding modes (total number of bonds) for C, N,O, halogen, H (2) (1) (4) (3) N O, these elements may have a variable number of bonds

tetrahedraltrigonal planarlinear Ideal bonding for carbon are four bonds to carbon - four bonding modes valenceshellelectronpairrepulsion Ideal bonding angles for carbon pyramidal or trigonal pyramid bent Bond angles are less than ideal angle Electron pair occupies a lot of space & is held close to nucleus of central atom  < supplemental HO 68

supplemental HO 70

Structure and Bonding Go to the powerpoint Rules for Drawing Lewis Dot Structures