Instructional Video

Photoelectrons

Curated and Reviewed by Lesson Planet

How much energy does it take for an electron jump from chromium metal? Using a formula, the instructor describes the procedure for determining the wavelength of light needed for a specific metal to eject electrons. 

4 Views 0 Downloads NGSS: Adaptable
Additional Tags
Instructional Ideas
  • Use a graphic organizer to record the formulas with descriptions of the variables and units
Classroom Considerations
  • Using the YouTube video requires Internet access
  • The explanation behind the formula used here was taught in previous lessons in this series
  • The lesson continues a 14-part series
  • This video is hosted on YouTube
Pros
  • Explains the importance of unit conversions and using consistent units
Cons
  • Begins with a complex example requiring unit conversions; it would be beneficial to begin with a simpler example to explain the formula