Atomic and Molecular Structures- Molecular Geometry With Balloons

Molecular Geometry with Balloons

Description: Balloons are used to represent electron pairs in Valence Shell Electron Pair Repulsion model.

Source: Journal of Chemical Education- Vol. 53

Year: 1976   Vol: 53   Page: 233

Keywords: Valence Shell Electron Pair Repulsion, Balloons

Rating:

Hazard: Low

  • Sharps hazard
  • Latex allergy
  • Potential eye damage hazard

Effectiveness: Good

  • Good connection from demo to course material
  • High reliability
  • Time to results is low
  • Results are clearly observable without guidance
  • Mild effects are seen by audience

Difficulty: Low

  • Demo does not involve deep attention
  • Examples involving models
  • Manipulations are simple for most to perform
  • Sequential manipulations
  • In progress adjustments required

Safety Precautions:

  • Eye protection required
  • Cork stopper for sharps protection required
  • Ear protection optional
  • Handle sharp objects with care

Class: Atomic and Molecular Structure

Division:  Inorganic Chemistry, General Chemistry