History of the Atom
Atom Parts
The Types of Atoms
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?

100

An atom that has a charge

What is an ion?

200

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

Who is Democritus?

200

The neutron has this type of charge

Neutral


200

Carbon-12, Carbon-13, and Carbon-14 are example of...

What are isotopes


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?

300

How many protons would Uranium-238 have?

92 protons

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

Majority of the mass is in this part of the atom

The nucleus

400

How many electrons would Chlorine-18 have if it had a -1 charge

18 electrons

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