Chap.9 Molecular Geometry and Bonding Theories 9.I Molecular Geometry 9.2 YSEPR model 9.3 Molecular Shape and Molecular Polarity 9.4 Covalent Bonding and Orbital Overlap 9.5 Hybridization Hybrid Orbitals 9.6 Multiple bond 9.7 Molecular Orbitals
Chap. 9 Molecular Geometry and Bonding Theories 9.1 Molecular Geometry 9.2 VSEPR model 9.3 Molecular Shape and Molecular Polarity 9.4 Covalent Bonding and Orbital Overlap 9.5 Hybridization & Hybrid 9.5 Hybridization & Hybrid Orbitals Orbitals 9.6 Multiple bond 9.7 Molecular 9.7 Molecular Orbitals Orbitals
Do SO2 CO2 and NO2 have the similar 3D structures? How about their Polarity?
Do SO2, CO2 and NO2 have the similar 3D structures? How about their Polarity?
Molecular Geometry (Shapes) Lewis structures give atomic connectivity 妇 The shape of a molecule is determined by its H&C&H bond angles OX H Bond distance, 1.78A Bond angle, 109.5
Molecular Geometry (Shapes) Lewis structures give atomic connectivity The shape of a molecule is determined by its bond angles H H H C Hx x x x
9.1 Molecular Geometry/Shapes The shape of a molecule determines its odor,taste and actions as a drug.It governs the reactions that take place throughout our bodies. Melting point Boiling point Molecular geometry->structure->properties density · solubility reactivity... Valence Shape of molecules can Shell VSEPR Electron be predicted by the Pair VSEPR theory Repulsion
9.1 Molecular Geometry/Shapes The shape of a molecule determines its odor, taste and actions as a drug. It governs the reactions that take place throughout our bodies. int int Melting po B Molecular geo oiling po metry structure properties density → → Shape of molecules can be predicted by the VSEPR theory lub ... Molecular geo density so ility structure reactivit metr prope y y → → rties alence hell lectron air epulsion V S VSEPR E P R
9.2 Valence Shell Electron Pair Repulsion (VSEPR)theory imt0predicttheshapesofaoleocule2 a)The valence electrons repel each other Bonding electrons Valence electrons of Central Atom- Non-bonding electrons b)The molecule adopts whichever 3D geometry minimized this repulsion. Valence electrons staying as far apart as possible!
9.2 Valence Shell Electron Pair Repulsion (VSEPR) theory a) The valence electrons repel each other - Bonding electro Valence ele ns Non bon ctrons din of Ce g elec nt tr r o al Atom ns b) The molecule adopts whichever 3D geometry minimized this repulsion. Valence electrons staying as far apart as possible!