Slide 1AS 020 09-Jul-12 Slide 2 BASIC IDEAS Shapes of molecules and ions depends on total number of electron pairs around the central atom. Two types of electron pairs: Bonding…

Slide 1 Slide 2 Quick Review Covalent bond – two atoms held together by sharing electrons -- Usually occurs between nonmetals. Octet Rule – chemical compounds tend to…

Atoms, Molecules and Stoichiometry Shapes of molecules Shapes of molecules The shapes of molecules and ions can be described by valence shell electron pair repulsion VSEPR…

Plan for Wed, 12 Aug 09 What Do Molecules Look Like? Recall that we have two types of electron pairs: bonding and lone. The Lewis Dot Structure approach provides some insight…

Covalent Bonding Covalent Bonding Quick Review Covalent bond â two atoms held together by sharing electrons -- Usually occurs between nonmetals. Octet Rule â chemical compounds…

Slide 1 Lecture 25: VSEPR Reading: Zumdahl 13.13 Outline –Concept behind VSEPR –Molecular geometries Slide 2 VSEPR Background Recall from last lecture that we had two…