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Showed it was impossible to determine both exact position and speed as they moves around the atom
Concluded with idea that the idea that a electron cannot be pinpointed but exist within possible locations.
Gave rise to current quantum model of atom

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Expanded on Ruthsford newer model
Stipulated that electrons orbit the nucleus at fixed energies and distances
Planetary model took stage but  rather than being descreet particles electrons behaved like waves
Concluded particle electrons behaved like waves

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Father of the nuclear age.
Studied effects of x rays on gases
Shot small positively charged alpha particles at a sheet of gold foil
Concluded atoms thinly dispersed pos charge would not be enough to deflect particles in any other place and some particles went right through but some bounced right back.
Concluded atoms consisted largely of empty space with just a few electrons.

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1897 discovery of electron

Chocolate chip cookie of the atom
Concluded that his theory was uniformly packed sphere of positive matter filled with negatively charges electrons

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Brandon Hwang P0
Common substances always broke down into the same elements in the same proportions
concluded that various compounds were combinations of different elements each of a particular size and mass.
Atomic theory

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This is due next class meeting, if not completed this period!

Instructions on how to turn in are below.

Video: https://www.youtube.com/watch?v=xazQRcSCRaY&pp=ygUVdGVkIGVkIGF0b21pYyB0aGVvcnkg

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1. Click arrow under your profile pic.

2. Click ADD MEMBERS.

3. ADD my email. Give me CAN ADMINISTER access.

4. Go BACK and go to CHANGE PRIVACY.

5. Click PUBLIC.

6. Make it so visitors can view.

7. Go BACK and click COPY LINK TO CLIPBOARD.

8. Submit that link on Google Classroom.