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![Page 1: Write down your homework in your agenda. Update your table of contents Review the foldable on page 53 Title the left page 52, “Who do you agree with?”](https://reader035.fdocuments.in/reader035/viewer/2022062407/56649d835503460f94a68b27/html5/thumbnails/1.jpg)
• Write down your homework in your agenda.
• Update your table of contents
• Review the foldable on page 53• Title the left page 52, “Who do you agree
with?”
Do Now
Page #
Title Date
54 Who do you agree with? 11/12/14
55 Atomic Model HW 11/12/14
![Page 2: Write down your homework in your agenda. Update your table of contents Review the foldable on page 53 Title the left page 52, “Who do you agree with?”](https://reader035.fdocuments.in/reader035/viewer/2022062407/56649d835503460f94a68b27/html5/thumbnails/2.jpg)
Entrance: What do you think the model of the atom is like?
•Jane: I think there would be a tiny, dense center surrounded by a lot of empty space where some particles are whizzing around it.
•Hal: I think there would be a large center made up of mostly empty space with particles whizzing around it. It would be surrounded by a dense shell.
•Katie: I think there would be all empty space with many tiny particles whizzing around through all that space.
•Jeb: I think it would look like a tiny, dense sphere with tiny particles tightly packed inside it.
•Dara: I think it would look like a lot of tiny spheres, all touching with no space in between them.
![Page 3: Write down your homework in your agenda. Update your table of contents Review the foldable on page 53 Title the left page 52, “Who do you agree with?”](https://reader035.fdocuments.in/reader035/viewer/2022062407/56649d835503460f94a68b27/html5/thumbnails/3.jpg)
• Atoms cannot be created, divided, or destroyed.
• Atoms cannot be converted from one element to another element.
• Atoms of one element are identical to each other but different from atoms of another element.
John Dalton
![Page 4: Write down your homework in your agenda. Update your table of contents Review the foldable on page 53 Title the left page 52, “Who do you agree with?”](https://reader035.fdocuments.in/reader035/viewer/2022062407/56649d835503460f94a68b27/html5/thumbnails/4.jpg)
J.J. Thomson
![Page 5: Write down your homework in your agenda. Update your table of contents Review the foldable on page 53 Title the left page 52, “Who do you agree with?”](https://reader035.fdocuments.in/reader035/viewer/2022062407/56649d835503460f94a68b27/html5/thumbnails/5.jpg)
J.J. Thomson• Discovered the electron (negatively
charged)• Proposed the chocolate chip cookie model/
plum pudding model
![Page 6: Write down your homework in your agenda. Update your table of contents Review the foldable on page 53 Title the left page 52, “Who do you agree with?”](https://reader035.fdocuments.in/reader035/viewer/2022062407/56649d835503460f94a68b27/html5/thumbnails/6.jpg)
Rutherford
![Page 7: Write down your homework in your agenda. Update your table of contents Review the foldable on page 53 Title the left page 52, “Who do you agree with?”](https://reader035.fdocuments.in/reader035/viewer/2022062407/56649d835503460f94a68b27/html5/thumbnails/7.jpg)
Rutherford
![Page 8: Write down your homework in your agenda. Update your table of contents Review the foldable on page 53 Title the left page 52, “Who do you agree with?”](https://reader035.fdocuments.in/reader035/viewer/2022062407/56649d835503460f94a68b27/html5/thumbnails/8.jpg)
Rutherford and Chadwick• Rutherford discovered that the
nucleus, located in the center of the atom, contained the positive charge (protons).
• Chadwick discovered that the nucleus also contained neutrons, which have no charge.
![Page 9: Write down your homework in your agenda. Update your table of contents Review the foldable on page 53 Title the left page 52, “Who do you agree with?”](https://reader035.fdocuments.in/reader035/viewer/2022062407/56649d835503460f94a68b27/html5/thumbnails/9.jpg)
Today’s atomic model• Instead of orbits, electrons form an
electron cloud surrounding the nucleus.
• The nucleus has protons and neutrons
• It is impossible to know where an electron is or how fast it is moving. We can only know the likelihood of finding an electron in a given location.
![Page 10: Write down your homework in your agenda. Update your table of contents Review the foldable on page 53 Title the left page 52, “Who do you agree with?”](https://reader035.fdocuments.in/reader035/viewer/2022062407/56649d835503460f94a68b27/html5/thumbnails/10.jpg)
Today’s atomic model
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• Using only your group members, correctly sort all scientists with their correct years and discoveries.
Scientists Card Sort!
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Where are the Women?• The reasons you don’t see women scientists much in textbooks.
– Unequal education– Sexist culture– Suppression of female scientists.
•Extra Credit Assignment: Research a female scientist.
–Write a paper or create a presentation–The depth and detail you go into will determine it’s point value.–Extra points if you teach me about someone I didn’t know about.
• Rosalind Franklin, Rachel Carson, Annie Jump Cannon
• Roger Arliner Young, Florence Barbara Seibert• Ruby Hirose, Chien-Shiung Wu