Electrical Conductivity of Molten Salts
Microwave Effect of Polar vs Nonpolar Molecules
Molecular Geometry With Balloons
Moving Liquids With Electricity
Ozone Casts a Shadow in UV Light
Paramagnetism of Transition Metal Salts
Preparation and Properties of Liquid Oxygen
Molecular Geometry with Balloons
Description: Balloons are used to represent electron pairs in the Valence Shell Electron Pair Repulsion (VSEPR) model.
Source: Journal of Chemical Education
Year: 1976 Vol: 53 Page: 233
Keywords: Valence Shell Electron Pair Repulsion (VSEPR), Balloons
Rating:
Hazard: Some
- Sharps hazard
- Potential eye damage hazard
- Latex allergy hazard
Effectiveness: Good
- High reliability
- Results are clearly observable without guidance
- Good connection from demo to course material
- Time to results is low
- Mild effects are seen by audience
Difficulty: Medium
- Sequential manipulations
- In progress adjustments required
- Demos do not involve deep attention
- Examples involving models
- Manipulations are simple for most to perform
Safety Precautions:
- Eye protection required
- Cork stopper for sharps protection required
- Ear protection optional
- Handle sharp objects with care
Class: Simulation, Bonding
Division: General, Inorganic Chemistry
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