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-Believed all matter is formed by atoms
- He thought that atoms are invisible

Used Lesson 2.1 notes to complete my research on Democritus

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- He believed that atoms are indestructible and indivisible
-Dalton’s Atomic Theory
-Compounds are made of two or more elements
-Atoms of different elements are different

I used lesson 2.1 Evolution of a atom to complete this Study on John Dalton

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-The Plum Pudding Model
- He discovered that the nucleus had a positive charge and everything else has a negative charge
-Electrons can have a positive or negative charge

WATCH YOUTUBE VIDEO
https://www.youtube.com/watch?v=jTMeh-e5Y5M
QUIZ TIME!!!
what is plum pudding and how does it relate to Electrons??

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Answer: Plum pudding type of pudding traditionally served as part of the Christmas dinner in the UK. The Cake part represents the nucleus which is a positive charged electron and the the plum which is a raisins represents distributed negative charged electrons

I used the Edpuzzle provided for us to complete my research on JJ THOMPSON

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-  The gold foil experiment was an experiment conducted by Rutherford that shot positively charged particles at a piece of gold foil
- This experiment lead to the conclusion that the atom was mostly empty space.
- He noticed that positive charge electrons went through the foil

Used Notes and video seen above to complete research on Rutherford

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Mr. Duell explains Rutherford's Gold Foil Experiment and how it changed the understanding of the atom.

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- Neil Bohr concluded that  electrons  orbit the nucleus of the atom and move around the nucleus in a circular path
- He believed that there are different energy levels
-The planetary model of the atom

Used Class notes and Youtube video seen above to help create a conclusion On Neils Bohr

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- James Chadwick studied under Rutherford for two years in Manchester
- He discovered the existence of neutrons
- Won the Nobel Prize for Physics in 1935.
- Source for this information is https://www.nobelprize.org/prizes/physics/1935/chadwick/biographical/

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- The Wave Mechanical Model
- that electrons do not exist in “energy levels"
- Orbital space around the nucleus

Used The edpuzzle to complete tis research