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1. It is impossible to know the precise position and momentum of a particle
3. measuring the position of an electron under a gamma-ray microscope
4 An experimenter cannot know the precise momentum and position of an electron

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1. electrons move in fixed orbitals and each orbital has a fixed amount of energy
3. Not Applicable
4. Not Applicable

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1. atoms have a small nucleus at the center that electrons orbit
3. He bombarded a thin sheet of gold foil with alpha particles. While some passed through the foil with minimal deflection, some did at large angles
4.He concluded that atoms have a small dense nucleus at the center of them

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1. Atoms cannot be created or destroyed. and are rearranged in chemical reactions.
3. Not Applicable
4. Not Applicable

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1. Thomson depicted the atom as a positively charged "soup" with negatively charged electrons embedded in it
3. He experimented with a cathode ray tube which is a sealed glass tube with little air in it. This has an electrode at each end one of them is positively charged, and one is negatively charged. When a high-voltage electric current is applied, it creates a cathode ray. This cathode ray is attracted to the positively charged plate and is repelled by the negatively charged plate.
4. From his experiment, he concluded that the ray was negatively charged and discovered electrons.

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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.