Lecture 28 11/09/05.

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Presentation transcript:

Lecture 28 11/09/05

Draw Lewis Dot structures CO2 N2 CH3OH H3PO4

Isoelectronic molecules: same number of valence electrons and same Lewis structure

Is the acetylide, C22-, isoelectronic with N2?

Draw Lewis Structure for O3

Resonance Resonance structures Resonance hybrids Bonding in a molecule when a single Lewis structure fails to describe accurately the actual electronic structure Resonance structures Alternative structures Equal energy and bonding pattern Resonance hybrids Composite of the equivalent resonance structures

Radicals: molecules with odd number of electrons NO OH NO2 Cl