Flame Test for Metallic Ions II
Orbital Plotting on a Computer
Relative Reactivity of Alkali Metals with Water
Spectroscopy in Large Lecture Halls
Spectroscopy in Large Lecture Halls II
Showing Wave Pattern with a String
Solution of Sodium in Liquid Ammonia
Student Interactive Resources Program
Electroscope
Description: Two pieces of gold leaf repel each other when the electroscope is touched with a static rod, showing that electrons have a charge.
Source: UW Card Catalog
Year: 1960 Vol: N/A Page: N/A
Keywords: Gold leaf, Electroscope, Static rod, Electrons, Charge
Rating: 
Hazard: Low
Effectiveness: Average
- Mild effects are seen by audience
- Results are hard to perceive
- Some connection from demo to course material
Difficulty: Low
- Simple manipulations for most to perform
- Prior practice recommended
- Some intermediate steps to results
Safety Precautions:
- Eye protection required
Class: Atomic Structure
Division: General, Physical Chemistry
Return to General Chemistry Demonstrations