Structure & Properties of Matter

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Presentation transcript:

Structure & Properties of Matter Lesson # 5: VSEPR

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

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

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

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

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

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

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

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

3. Multiple Bonds Example: Carbon dioxide Shape:

3. Multiple Bonds Example: Nitrite Ion Shape:

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

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