Atomic Structure and Periodicity- Electroscope

Electroscope

Two photos show an instrument with attached gold leaves. In the second photo, the leaves are separated.
Two photos show an instrument with attached gold leaves. In the second photo, the leaves are separated.
 

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

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