How The Electron Was Discovered

Unit 4: Atomic Structure
Lesson 3 of 5

Objective: Students will be able to explain how the electron was discovered by J.J. Thomson and the contribution it made to our current atomic model.

Big Idea: Students always ask me how can we know what at atom looks like if we can't see them. This lesson is part two of three explaining how we developed our modern atomic model using the discovery of the electron.

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  45 minutes
jj thompson
 
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