'Formal charge' diaporamas de présentation

Ch. 9 and 10 Chemical Bonding

Ch. 9 and 10 Chemical Bonding. Brady & Senese, 5th Ed. A general comparison of metals and nonmetals. Figure 9.1. Types of Chemical Bonding. 1. Metal with nonmetal:. electron transfer and ionic bonding. 2. Nonmetal with nonmetal:. electron sharing and covalent bonding.

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CHAPTER 8

CHAPTER 8. Bonding and Molecular Structure. Introduction. Bonds: Attractive forces that hold atoms together in compounds Valence Electrons: the outermost electrons -These e - are involved in bonding. Valence Electrons. Electrons are divided between core and valence electrons

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Bonding and Molecular Structure

Bonding and Molecular Structure. Goals: Understand the differences between ionic and covalent bonds . Draw Lewis electron dot structures for small molecules and ions.

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HYDROGENATION

HETEROGENEOUS CATALYSIS. HYDROGENATION. REVIEW OF HYDROGENATION. CATALYTIC HYDROGENATION . IS COVERED IN SEVERAL PLACES IN THE TEXT,. PRINCIPALLY:. Ch3 Section 3.18 Hydrogenation of Alkenes. Ch4 Section 4.13 Relative Stabilities of Alkenes.

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Professor M. Wills

Warwick University Department of Chemistry Year 1, Course CH158: Foundations of Chemistry Section A3; Basics of Organic Chemistry Professor Martin Wills m.wills@warwick.ac.uk.

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UNIT 6

UNIT 6. Theories of Covalent Bonding and Intro to Organic Chemistry VSEPR Theory, Molecular Shapes, and Valence Bond Theory. Electron Domains . Electron domains are the regions in the molecules where it is most likely to find electrons.

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Lecture 9

Lecture 9. Lewis Structures and Covalent Bonds 2.5-2.8 10 -September Assigned HW 2.33, 2.34, 2.35, 2.36, 2.38, 2.43, 2.48, 2.50, 2.52 Due : Monday 13-Sept. Review 2.1-2.4. Ions interact in specific ways that form crystal lattices

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Lecture 23: Lewis Dot Structures

Lecture 23: Lewis Dot Structures. Reading: Zumdahl 13.9-13.12 Outline Lewis Dot Structure Basics Resonance Formal Charge. Localized Bond Models. Consider our energy diagram for H 2 bonding:. Localized Model Limitations.

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Ppt23 (PS11)

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Sins of the Tongue

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Pharmacophore and FTrees

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FOUR THEORIES

FOUR THEORIES. 4.1 Lewis Dot Diagrams. Electron Distribution in Molecules. Electron distribution is depicted with Lewis dot structures Electrons are distributed as shared or bond pairs and unshared or lone pairs. G. N. Lewis 1875 - 1946. 8A. Valence Electrons. 1A. 7A. 2A. 3A. 4A.

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Chemistry 141

Chemistry 141. Review. Chapter 1: Matter, Measurement, and Problem Solving . Scientific Method Matter States of Matter solid, liquid, gas, and plasma Amorphous/crystalline Types of Matter Pure substance: Element vs. atom Compound: molecules vs. formula units

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30.4 The Texas Judiciary

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Classroom Behavior Expectations

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1.6 Formal Charge

1.6 Formal Charge. Formal charge is the charge calculated for an atom in a Lewis structure on the basis of an equal sharing of bonded electron pairs. . :. O. . N. H. O. . :. :. O. Nitric acid. Formal charge of H.

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Calculating formal charge:

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Formal Charge and Molecular Structure

Formal Charge and Molecular Structure. Formal Charge Rules. Assumptions: Lone pairs belong only to the atom in question. Shared electrons are divided equally between the two sharing atoms. Formal Charge Rules.

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Ch. 4 content vocab.

Ch. 4 content vocab. Civil liberties- freedoms to think and act without govt. inference of fear of unfair legel treatment Censorship- the banning of printed materials or films due to alarming or offensive ideas Petition-a formal request for government action

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