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1. It was impossible to determine the exact speed and position of the electrons as they move around an atom.
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3. He did not say any details of the experiment.
4. Electrons can't be pinpointed but exist in a range of possible locations which gave rise to the current quantum model of an atom.

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1. He focused on the electrons orbiting the nucleus at fixed energies and distances. They were able to jump from one to another but did not exist in the space between them. 2.
3. The model took center stage but had complications. It showed that rather than being discrete particles, they behaved like waves instead of being confined in a space. 4. The conclusion is that it behaved in waves instead of in a confined space so his experiment had many complications.

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1. He studied atoms more closely by shooting small positively charged alpha particles at a sheet of gold foil. The atoms' thinly dispersed positive charge would not be enough to deflect the particles in any one place
2.
3. The effect would be like a bunch of tennis balls punching through a thin paper screen. The foil was more like a thick net with very large mesh because the particles would bounce back.
4. He concluded that the atoms consisted largely of space with just some electrons. While most of the mass was in the nucleus.

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1. He showed atoms as uniformly packed spheres of positive matter filled with negatively charged electrons.
2.
3. He didn't talk about his experiment.
4. He discovered the electron and won the Nobel Peace Prize for the electron discovery.

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1. Dalton states how common substances always break down into the same elements in the same portions. The various compounds were different elements with different masses and sizes.
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3. There weren't any details of the experiment but included that he lived modestly until the end of his days.
4. The conclusion is that many substances are broken down into elements that can neither destroyed nor created.

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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.

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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