Presentation is loading. Please wait.

Presentation is loading. Please wait.

Structure & Properties of Matter

Published byMarjorie McDonald Modified over 5 years ago

Similar presentations

Presentation on theme: "Structure & Properties of Matter"— Presentation transcript:

1 Structure & Properties of Matter
Lesson # 5: VSEPR

2 Valence Shell Electron Pair Repulsion Theory
Theory that determines three-dimensional structure of molecules by minimizing the repulsive force between electron pairs.

3 1. Central Atom with No Lone Pairs
Example: Beryllium Chloride Shape: Bond Angles:

4 1. Central Atom with No Lone Pairs
Example: Boron trifluoride Shape: Bond Angles:

5 1. Central Atom with No Lone Pairs
Example: Methane Shape: Bond Angles:

6 1. Central Atom with No Lone Pairs
Example: Phosphorus pentachloride Shape: Bond Angles:

7 1. Central Atom with No Lone Pairs
Example: Sulfur hexafluoride *VIDEO Shape: Bond Angles:

8 2. Central Atom with Lone Pairs
Example: Ammonia Shape: Bond Angles:

9 2. Central Atom with Lone Pairs
Example: Water Shape: Bond Angles:

10 3. Multiple Bonds Example: Carbon dioxide Shape:

11 3. Multiple Bonds Example: Nitrite Ion Shape:

12 4. More than One Central Atom
Example: Methanol Shape:

13 4. More than One Central Atom
Example: Methanamine Shape:

Download ppt "Structure & Properties of Matter"

Similar presentations

IIIIII II. Molecular Geometry (p. 183 – 187) Ch. 6 – Molecular Structure.

IIIIII II. Molecular Geometry (p. 183 – 187) Ch. 6 – Molecular Structure.
Molecular Geometry (p. 232 – 236)

Molecular Geometry (p. 232 – 236)
MOLECULAR SHAPE HOW DOES SHAPE AND POLARITY DETERMINE FUNCTION AND PROPERTIES OF MOLECULES?

MOLECULAR SHAPE HOW DOES SHAPE AND POLARITY DETERMINE FUNCTION AND PROPERTIES OF MOLECULES?
How is VSEPR theory used to predict molecular structure?

How is VSEPR theory used to predict molecular structure?
VSPER Molecular shapes Valence Shell Electron Repulsion Theory.

VSPER Molecular shapes Valence Shell Electron Repulsion Theory.
The Shapes of Molecules  Most molecules are 3-Dimensional molecules.  Molecules are found to have certain shapes.  Example;  a pyramid, linear, planar.

The Shapes of Molecules  Most molecules are 3-Dimensional molecules.  Molecules are found to have certain shapes.  Example;  a pyramid, linear, planar.
Structure of molecules Objectives: To understand molecular structure and bond angles To learn to predict molecular geometry from the number of electron.

Structure of molecules Objectives: To understand molecular structure and bond angles To learn to predict molecular geometry from the number of electron.
Molecular Geometry 2-2 Ch. 6 – Molecular shape. Molecules are three-dimensional objects that occupy a three- dimensional world; In general, only the smallest.

Molecular Geometry 2-2 Ch. 6 – Molecular shape. Molecules are three-dimensional objects that occupy a three- dimensional world; In general, only the smallest.
Highland Science Department Molecule Shapes Why do these molecules have such different shapes?

Highland Science Department Molecule Shapes Why do these molecules have such different shapes?
MOLECULAR GEOMETRY VSEPR ACTIVITY. CARBON DIOXIDE Chemical formula: CO 2 # of atoms bonded to central atom: 2 # of lone pairs on central atom: 0 What.

MOLECULAR GEOMETRY VSEPR ACTIVITY. CARBON DIOXIDE Chemical formula: CO 2 # of atoms bonded to central atom: 2 # of lone pairs on central atom: 0 What.
The Relation of Bond Order, Bond Length and Bond Energy Bond Bond Order Average Bond Average Bond Length (pm) Energy (kJ/mol) C O 1 143 358 C O 2 123.

The Relation of Bond Order, Bond Length and Bond Energy Bond Bond Order Average Bond Average Bond Length (pm) Energy (kJ/mol) C O C O
Section 12.4 Structure of Molecules 1.To understand molecular structure and bond angles 2.To learn to predict molecular geometry from the number of electron.

Section 12.4 Structure of Molecules 1.To understand molecular structure and bond angles 2.To learn to predict molecular geometry from the number of electron.
Molecular Structure VSEPR Model. VSEPR Valence Shell Electron Pair Repulsion The structure around a given atom is determined principally by minimizing.

Molecular Structure VSEPR Model. VSEPR Valence Shell Electron Pair Repulsion The structure around a given atom is determined principally by minimizing.
VSEPR Model And Hybridization. VSEPR Model Valence Shell Electron Pair Repulsion Model a simple model that allows for the prediction of the approximate.

VSEPR Model And Hybridization. VSEPR Model Valence Shell Electron Pair Repulsion Model a simple model that allows for the prediction of the approximate.
can overlap in 2 different ways, forming either sigma or pi bonds.

can overlap in 2 different ways, forming either sigma or pi bonds.
Geometry of Molecules VSEPR Theory. Valence Shell Electron Pair Repulsion Theory (VSEPR) The geometry of the molecule at any given central atom is determined.

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 Shape Section 9.4

Molecular Shape Section 9.4
Molecular Geometry VSEPR Theory.

Molecular Geometry VSEPR Theory.
Molecular Geometry VSEPR and beyond!. Molecular Geometry Three dimensional arrangment of atoms Molecular polarity determined by geometry and polarity.

Molecular Geometry VSEPR and beyond!. Molecular Geometry Three dimensional arrangment of atoms Molecular polarity determined by geometry and polarity.
Molecular Geometry. 2-D and 3-D Lewis Structures explain the two dimensional structure of molecules In order to model the actual structure of a molecule.

Molecular Geometry. 2-D and 3-D Lewis Structures explain the two dimensional structure of molecules In order to model the actual structure of a molecule.

Similar presentations

Ads by Google