VSEPR – Valence Shell Electron Pair Repulsion

Slides:

Advertisements

Similar presentations

Basic Concepts of Chemical Bonding The ability of an atom in a molecule to attract shared electrons to itself. Electronegativity: The ability of an atom.

Advertisements

Molecular Shape Sect 9.4. VSEPR Model Valence Shell Electron Pair Repulsion Valence Shell Electron Pair Repulsion Electron pairs will position themselves.

Molecular Geometry and Bonding Theories. The properties of a molecule depend on its shape and and the nature of its bonds. In this unit, we will discuss.

1 Shapes of Molecules Determined by number of valence electrons of the central atom 3-D shape a result of bonded pairs and lone pairs of electrons Use.

Shapes of Molecules Determined by number of valence electrons of the central atom 3-D shape a result of bonded pairs and lone pairs of electrons Use VSEPR.

Chapter 9 Molecular Geometry and Bonding Theories.

Drawing Lewis Structures and VSEPR. Draw basic Lewis dot structures of atoms and compounds. Using VSEPR, predict bond shape from electron arrangement.

Drawing Lewis Structures and VSEPR. Draw basic Lewis dot structures of atoms and compounds. Using VSEPR, predict bond shape from electron arrangement.

Lecture 25: VSEPR Reading: Zumdahl Outline –Concept behind VSEPR –Molecular geometries.

Drawing Lewis Structures and VSEPR A Tutorial on Writing Lewis Dot Structure.

VESPR Model and Geometry. Localized Electron Model Lewis structures are an application of the “Localized Electron Model” L.E.M. says: Electron pairs can.

+ Bonding Part III Unit 5: Bonding Mrs. Callender VS E P R.

Shapes of molecules & ions. VSEPR theory VSEPR - the Valence Shell Electron Pair Repulsion theory is used to obtain the shape of simple molecules and.

Geometry of Molecules VSEPR Theory. Valence Shell Electron Pair Repulsion Theory (VSEPR) The geometry of the molecule at any given central atom is determined.

Molecular Geometry and VSEPR Theory. VSEPR Theory Valence Shell Electron Pair Repulsion Theory States that electron pairs repel each other and assume.

VSEPR Theory Valence Shell Electron Pair Repulsion.

Ch. 9 Molecular Geometry & Bonding Theories Lewis structures tell us which atoms are bonded together, but we will now explore the geometric shapes of these.

Molecular Geometry

IIIIII Molecular Geometry Molecular Structure. A. VSEPR Theory  Valence Shell Electron Pair Repulsion Theory  Electron pairs orient themselves so that.

Covalent Bonding Shapes VALENCE SHEELL ELECTRON PAIR REPULSION

Molecular Structure Molecular geometry is the general shape of a molecule or the arrangement of atoms in three dimensional space. Physical and chemical.

CHM 108 SUROVIEC SPRING 2014 Chapter 10. I. VSEPR Theory A simple model that we can use to look at molecular shapes is the VSEPR (valence shell electron.

Cornell Notes (Section 8.4, especially page 263  Topic: Molecular Geometry  Date: 2/7/2012  VSEPR = Valence Shell Electron Pair Repulsion  Valence.

Bonding – General Concepts. Shows how valence electrons are arranged among atoms in a molecule. Reflects central idea that stability of a compound relates.

VSEPR. This is the shape that CO 2 makes. 1. Linear 2. Bent 3. Trigonal planar 4. Tetrahedral 5. Trigonal pyramidal 6. Trigonal bipyramidal 7. See-saw.

VSEPR Theory Valence Shell Electron Pair Repulsion.

Molecular Shapes Chapter 6 Section 3. Lewis dot structures show how atoms are bonded together, but they often do not illustrate the true shape of a molecule.

Section 8.13 Molecular Structure: The VSEPR Model VSEPR: Valence Shell Electron-Pair Repulsion. ▪Used to predict a 3-dimensional shape of a molecule ▪Based.

Molecular Geometry and VSEPR Theory

Molecular Geometry and Bonding Theories.

Pull out your worksheet, candy and toothpicks!

Molecular Geometry VSEPR.

Ch 9 – Covalent Bonding: Orbitals

VSEPR and Molecular Geometry

Timberlake LecturePLUS

VSEPR Pronounced vesper…a vespa for her A vest purrs???

VSEPR and Exceptions to the Octet Rule

Bonding Groups 2 Nonbonding Pairs Examples; BeH2 CO2 HCN

Ch. 6 – Molecular Structure

Molecular Geometry bond length, angle determined experimentally

Electron Sharing can be EQUAL or UNEQUAL

Bellwork Monday Draw the following Lewis dot structures. CCl4 NH4+

Valence shell electron pair repulsion (VSEPR) model:

II. Molecular Geometry (p. 183 – 187)

Chapter 6 – 3 Molecular Geometry (p. 214 – 218)

Bonding Unit Part B) Structures and Shapes

Ch. 6 – Molecular Structure

Ch 9 – Covalent Bonding: Orbitals

Molecular Structure Molecular Geometry.

Molecular Geometry and VSEPR Theory

GEOMETRY AND POLARITY OF MOLECULES

Molecular Geometry bond length, angle determined experimentally

Valence Shell Electron Pair Repulsion

Valence Shell Electron Pair Repulsion Theory

Molecular Structure II. Molecular Geometry.

Molecular Geometry.

Molecular Geometry bond length, angle determined experimentally

VSEPR Theory You will be able to determine the shapes of covalent molecules from correct Lewis Dot structures.

Molecular Geometry bond length, angle determined experimentally

II. Molecular Geometry (p. 183 – 187)

Valence Shell electron pair repulsion model 3D models

Molecular Shapes VSEPR Model

6.5 VSEPR Theory and Molecular Shapes

II. Molecular Geometry (p. 183 – 187)

II. Molecular Geometry (p. 183 – 187)

Valence Shell Electron-pair Repulsion model

N19 - VSEPR and the 3D Geometry of Molecules

Valence Shell Electron Pair Repulsion

CO2 Lewis Dot Structure VSEPR VB O=C=O

Valence Shell Electron Pair Repulsion (VSEPR) Theory

Presentation transcript:

VSEPR – Valence Shell Electron Pair Repulsion X + E Overall Structure Forms 2 Linear AX2 3 Trigonal Planar AX3, AX2E 4 Tetrahedral AX4, AX3E, AX2E2 5 Trigonal bipyramidal AX5, AX4E, AX3E2, AX2E3 6 Octahedral AX6, AX5E, AX4E2 A = central atom X = atoms bonded to A E = nonbonding electron pairs on A

Linear AX2 CO2

Trigonal Planar AX3 BF3 AX2E SnCl2

Tetrahedral AX4 CCl4 AX3E PCl3 AX2E2 Cl2O

Trigonal Bi-pyramidal AX5 PCl5 AX4E SF4 AX3E2 ClF3 AX2E3 I3-

Octahedral AX6 SF6 AX5E BrF5 AX4E2 ICl4-