History of the Atom
Atom Parts
100

This person discovered the electron through their Cathode Ray Tube experiment

Who is JJ Thomson?

Joseph John Thomson

100

The proton has this type of charge.

What is positively charged?

200

This chemist THOUGHT of the idea that matter is made up of indivisible particles called "atomos."

Who is Democritus?

300

This chemist discovered the proton through his experimental evidence.

Who is Eugene Goldstein?

300

They are the three subatomic particles.

What are protons, electrons, and neutrons?

400

In the Gold Foil Experiment, alpha particles were being bounced directly back to its source indicated that the particles were being deflected by..

*****This experiment discovered the....

How was the nucleus discovered?

400
Draw a model of an atom- label the three parts and where they are located

Answers can vary slightly

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