the atomic theory 1.atomic theory matching 2.atom size 3.democritus 4.dalton – ball model 5.j.j....

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The Atomic Theory 1.Atomic Theory Matching 2.Atom Size 3.Democritus 4.Dalton – Ball Model 5.J.J. Thompson – Raisin Bun Model 6.Rutherford – Gold Foil Experiment 7.Bohr – Energy Level Model

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Page 1: The Atomic Theory 1.Atomic Theory Matching 2.Atom Size 3.Democritus 4.Dalton – Ball Model 5.J.J. Thompson – Raisin Bun Model 6.Rutherford – Gold Foil Experiment

The Atomic Theory1. Atomic Theory Matching2. Atom Size3. Democritus4. Dalton – Ball Model5. J.J. Thompson – Raisin Bun

Model6. Rutherford – Gold Foil

Experiment7. Bohr – Energy Level Model

Page 2: The Atomic Theory 1.Atomic Theory Matching 2.Atom Size 3.Democritus 4.Dalton – Ball Model 5.J.J. Thompson – Raisin Bun Model 6.Rutherford – Gold Foil Experiment

TeachWithFergy Preview File

If you decide to purchase and the lesson isn't exactly what you need or thought it was, I will refund you 100% via PayPal.- Some slides appear blank because they have been removed.- Other slides may have ........... on them, this represents writing that has been removed.- Please note that the Entire Unit Package can also be purchased at a steep discount from my Store.

Page 3: The Atomic Theory 1.Atomic Theory Matching 2.Atom Size 3.Democritus 4.Dalton – Ball Model 5.J.J. Thompson – Raisin Bun Model 6.Rutherford – Gold Foil Experiment

Whose theory was it anyways?

- WORKSHEET IS INCLUDED WITH LESSON PACKAGE

- Match the scientist with his model of the atom as well as his atomic explanation.

Page 4: The Atomic Theory 1.Atomic Theory Matching 2.Atom Size 3.Democritus 4.Dalton – Ball Model 5.J.J. Thompson – Raisin Bun Model 6.Rutherford – Gold Foil Experiment

How are atoms studied?

____________ Atoms are too small in size to study

easily Size of Earth : soda can ……………..Simulation Simulation Removed

Page 5: The Atomic Theory 1.Atomic Theory Matching 2.Atom Size 3.Democritus 4.Dalton – Ball Model 5.J.J. Thompson – Raisin Bun Model 6.Rutherford – Gold Foil Experiment

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Page 6: The Atomic Theory 1.Atomic Theory Matching 2.Atom Size 3.Democritus 4.Dalton – Ball Model 5.J.J. Thompson – Raisin Bun Model 6.Rutherford – Gold Foil Experiment

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Page 7: The Atomic Theory 1.Atomic Theory Matching 2.Atom Size 3.Democritus 4.Dalton – Ball Model 5.J.J. Thompson – Raisin Bun Model 6.Rutherford – Gold Foil Experiment

The Greek philosopher Democritus (460 B.C. – 370 B.C.) was among the first to suggest the existence of atoms

___________

Page 8: The Atomic Theory 1.Atomic Theory Matching 2.Atom Size 3.Democritus 4.Dalton – Ball Model 5.J.J. Thompson – Raisin Bun Model 6.Rutherford – Gold Foil Experiment

Dalton’s Atomic Theory – The Ball Model: 1800s

Referred to the atom as a small, hard, indestructible sphere that cannot be subdivided

___________ An atom is the smallest …………….

……………….

Page 9: The Atomic Theory 1.Atomic Theory Matching 2.Atom Size 3.Democritus 4.Dalton – Ball Model 5.J.J. Thompson – Raisin Bun Model 6.Rutherford – Gold Foil Experiment

J.J. Thomson

In 1897 J.J. Thomson demonstrated that ……………….

After further investigation he concluded that the same negatively charged ………….

___________

Page 10: The Atomic Theory 1.Atomic Theory Matching 2.Atom Size 3.Democritus 4.Dalton – Ball Model 5.J.J. Thompson – Raisin Bun Model 6.Rutherford – Gold Foil Experiment

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Page 11: The Atomic Theory 1.Atomic Theory Matching 2.Atom Size 3.Democritus 4.Dalton – Ball Model 5.J.J. Thompson – Raisin Bun Model 6.Rutherford – Gold Foil Experiment

Thomson’s Atomic Model• Thomson believed that the electrons were like plums embedded in a positively charged “pudding”

• ___________

Page 12: The Atomic Theory 1.Atomic Theory Matching 2.Atom Size 3.Democritus 4.Dalton – Ball Model 5.J.J. Thompson – Raisin Bun Model 6.Rutherford – Gold Foil Experiment

Ernest Rutherford’sGold Foil Experiment - 1911

“+” charged …………

___________

Page 13: The Atomic Theory 1.Atomic Theory Matching 2.Atom Size 3.Democritus 4.Dalton – Ball Model 5.J.J. Thompson – Raisin Bun Model 6.Rutherford – Gold Foil Experiment

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Page 14: The Atomic Theory 1.Atomic Theory Matching 2.Atom Size 3.Democritus 4.Dalton – Ball Model 5.J.J. Thompson – Raisin Bun Model 6.Rutherford – Gold Foil Experiment

What he actually found

Most of the alpha particles slightly deflected and carried on but some bounced backwards

___________

Page 15: The Atomic Theory 1.Atomic Theory Matching 2.Atom Size 3.Democritus 4.Dalton – Ball Model 5.J.J. Thompson – Raisin Bun Model 6.Rutherford – Gold Foil Experiment

Rutherford’s Gold Foil Experiment

http://www.teachwithfergy.com/rutherfords-gold-foil-experiment/

Page 16: The Atomic Theory 1.Atomic Theory Matching 2.Atom Size 3.Democritus 4.Dalton – Ball Model 5.J.J. Thompson – Raisin Bun Model 6.Rutherford – Gold Foil Experiment

Rutherford’s Findings Most of the particles passed right through A few …………………. ___________

……………..

Page 17: The Atomic Theory 1.Atomic Theory Matching 2.Atom Size 3.Democritus 4.Dalton – Ball Model 5.J.J. Thompson – Raisin Bun Model 6.Rutherford – Gold Foil Experiment

The Rutherford Atomic ModelBased on his experimental

evidence he concluded that the atom: …………….. Contains a …………..

___________

Page 18: The Atomic Theory 1.Atomic Theory Matching 2.Atom Size 3.Democritus 4.Dalton – Ball Model 5.J.J. Thompson – Raisin Bun Model 6.Rutherford – Gold Foil Experiment

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Page 19: The Atomic Theory 1.Atomic Theory Matching 2.Atom Size 3.Democritus 4.Dalton – Ball Model 5.J.J. Thompson – Raisin Bun Model 6.Rutherford – Gold Foil Experiment

The Bohr-Rutherford Model

_______________

Electrons move in ……………

Electrons more or less stay in their orbit unless ………….

Video Removed

http://www.teachwithfergy.com/atom-animation/

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