'Central atom' diaporamas de présentation

Chemistry 481(01) Spring 2014

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Chapter 10 Chemical Bonding

Chapter 10 Chemical Bonding. Tro, 2 nd ed. Metals are found to the left of the metalloids. Nonmetals are found to the right of the metalloids. LEWIS STRUCTURES OF ATOMS. Metals form cations and nonmetals form anions to attain a stable valence electron structure.

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Chapter 3: Organic Molecules

Chapter 3: Organic Molecules. Biology 100 Spring 2009. Carbon: The Central Atom. Organic Molecules contain Carbon, and are usually complex. Carbon atoms can be arranged in rings or chains . Carbon: The Central Atom . Carbon is the central atom in all organic molecules.

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Chemistry 100 Chapter 9

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VSEPR THEORY:

VSEPR THEORY:. How do we determine the shapes of molecules and ions?. VSEPR THEORY. What does VSEPR stand for? V alence S hell E lectron P air R epulsion. VSEPR THEORY. Why is this important to know? It explains how molecules and ions behave. VSEPR THEORY. For example:

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The Octet Rule: Examples

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Formation of Interstellar Polyatomic Substances

Formation of Interstellar Polyatomic Substances. Lewis Symbols. Chemical and physical properties of elements are related to the number of electrons in their valence shells For A-families (Main Group elements) the number of valence electrons = Group number

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VESPR Theory

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Covalent Bonding

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VSEPR THEORY (Valence Shell Electron Pair Repulsion Theory)

VSEPR THEORY (Valence Shell Electron Pair Repulsion Theory). Adapted by Mr. M. McIsaac Carleton North High School, Bristol, NB From Mr. James Montgomery SCH4U Grade 12 Chemistry Sir John A. MacDonald Secondary School Waterloo, ON sjam.wrdsb.on.ca/files/Lesson14 vsepr .ppt .

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VSEPR and Molecular Geometry

VSEPR and Molecular Geometry. Hemoglobin. Models are attempts to explain how nature operates on the microscopic level based on experiences in the macroscopic world. Models. Models can be physical as with this DNA model. Models can be mathematical.

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Lecture 24: Beyond the Octet

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Unit 9: Covalent Bonding

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Lewis Dot Structures Dr.Gergens - SD Mesa College

Supplemental packet page 66. Lewis Dot Structures Dr.Gergens - SD Mesa College. 3. N O , these elements may have a variable number of bonds. (2) (1) (4) (3). Things to keep in mind when drawing Lewis structure. 1. Always count valence electrons. C N O F H.

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Objectives

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How to Draw Orbital Overlap Diagrams

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Drawing Lewis Structures

Drawing Lewis Structures. AP Chemistry Bonding Notes 3. Add up all the valence electrons on all atoms For an anions, add electrons equal to the negative charge For cation , subtract the number of electrons equal to the negative charge Identify the central atom

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VSEPR: Lone Pairs

VSEPR: Lone Pairs. H. H. H. N. H. H. C. H. H. C. H. H. N. H. H. H. H. H. Lone pairs. Thus far we have considered (built) only structures where there are no free electrons around the central atom. Vs. or. or.

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Gas Laws

Gas Laws. Advanced Problem Solving. Reactions: Single Gas Product.

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