'Bonding pair' diaporamas de présentation

Chapter 9: Molecular Geometry and Bonding Theories

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BONDING

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Covalent bonding

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BONDING

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V alence S hell E lectron P air R epulsion Theory

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Announcements

Announcements. Wednesday second lab (VSPR) Molecular model kit, building compounds and molecules Prelab is due at the beginning (objective, summary of procedure in your own words and prelab questions). Review Molecular Shape. A molecular formula shows the number and identity

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Unit 12

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Chapter 11

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Department of Chemistry CHEM1010 General Chemistry ***********************************************

Department of Chemistry CHEM1010 General Chemistry *********************************************** Instructor: Dr. Hong Zhang Foster Hall, Room 221 Tel: 931-6325 Email: hzhang@tntech.edu. CHEM1010/General Chemistry _________________________________________ Chapter 5. (L18)-Chemical Bonds.

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What determines molecular shape ?

bond angle: ?. Chapter 9: Molecular Geometry and Bonding Theories. What determines molecular shape ?. Bond angles : angle formed between two adjacent bonds on the same atom. e.g. CCl 4. Chapter 9: Molecular Geometry and Bonding Theories. What determines molecular shapes ?.

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VSEPR

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Valence shell electron pair repulsion (VSEPR) model:

# of atoms bonded to central atom. # lone pairs on central atom. Arrangement of electron pairs. Molecular Geometry. Class. linear. linear. B. B. Valence shell electron pair repulsion (VSEPR) model:.

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Lewis Structures

Lewis Structures. Malcolm, Xavier, Genna. Octet Rule. -Small molecules and polyatomic ions can use basic octet rule. -Larger molecules, determine general arrangement of atoms, skeleton. -Always includes central atom, atoms surrounding it bonded. Few Octet Rules.

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Molecular Geometry

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Shapes of molecules & ions

Shapes of molecules & ions. VSEPR theory. VSEPR - the V alence S hell E lectron P air R epulsion theory is used to obtain the shape of simple molecules and ions. VSEPR theory.

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Molecular Geometry

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Consider the bonding in HF:

F. H. Consider the bonding in HF:. Obviously they will share an electron to form a covalent bond. F. H. Consider the bonding in HF:. Obviously they will share an electron to form a covalent bond. H. F. Consider the bonding in HF:. Lets redraw it showing only the bonding electrons. H.

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Lewis Dot Structures (Washington University)

Lewis Dot Structures (Washington University). Reading: BC Science 10 Outline Lewis Dot Structure Basics. Lewis Dot Structures. Developed by G. N. Lewis to serve as a way to describe bonding in polyatomic systems.

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Why is Fluorine more electronegative than Carbon?

Why is Fluorine more electronegative than Carbon?. Electronegativity of C: 2.5 Electronegativity of F: 4.0.

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