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Home , Henri Becquerel, John Dalton

Through Time: Questions

Students will use the websites listed below to answer the following questions in their notebook.

1. What is an and where did the word atom get its origin?

2. Who were the co-originators of the belief that all matter is made up of indivisible “elements”

called atoms? When did they live and how were they related?

3. How did the beliefs of Aristotle compare with other Greek philosophers?

4. Who were the alchemists and what role did they play in the historical development of atomic

theory?

5. Who established the law of and what relationship does he have

concerning the current system of naming chemical compounds?

6. How did John ’s atomic laws improve on the speculations of the Greek Atomists?

7. Who first started organizing the elements into a table?

a. where are the metals, non-metals, and metalloids located on our periodic table?

8. What was Henri searching for when he accidentally discovered natural radioactivity?

9. What was J.J. Thomson’s original name for ?

10. Why was J.J. Thomson’s model called the “”?

11. What significance did give to the conclusions of his alpha particle experiment?

12. List the names of at least two famous scientists who were mentored by Ernest Rutherford.

13. What improvements by make to the atomic model of Ernest Rutherford?

a. Which subatomic particle does Bohr’s Model focus on? (, , or electrons

b. Draw the Bohr’s Model for sodium and .

14. What major contribution did make to our understanding of atomic structure?

15. What scientist is given credit for developing the wave model of the atom?

16. What contributions did make to our modern picture of the atom? 17. List one contribution that made to help us understand .

18. What significant contributions did Marie make to the development of our understanding

of atomic theory?

19. What scientist is remembered as the “father of the atomic bomb”?

20. What are quarks and what two scientists suggested their existence?

21. Who was the scientist responsible for the prediction of ?

22. Summarize what the Cern’s laboratory is working on.

23. What is the Higgs Boson? Atoms Through Time: Websites

Atom http://www.fact-index.com/a/at/atom.html

Democritus http://www.fact-index.com/d/de/democritus.html

Aristotle http://www.angelfire.com/sc2/atomtheory/aristotle.html

The Goals of Particle Richard (Ryszard) Stroynowski

Lavoisier, Antoine http://scienceworld.wolfram.com/biography/Lavoisier.html

Dalton’s Atomic Theory http://www.angelfire.com/sc2/atomtheory/dalton.html

Periodic Table: https://www.youtube.com/watch?v=PejaN0us2ro

Radioactivity: Historical figures http://www.orcbs.msu.edu/radiation/resources_links/historical_figures/historical_figures.htm

J.J. Thomson and the Discovery of the http://www.pbs.org/transistor/science/events/electron.html https://sites.google.com/site/thomsonsexperiment/jj-thomson-s-atomic-model-and-theory

Rutherford’s Experiment- Part II: The Paper of 1911 http://www.chemteam.info/AtomicStructure/Rutherford-Model.html

Ernest Rutherford Atom Man http://www.nzedge.com/heroes/rutherford.html

Niels Bohr http://www.dummies.com/how-to/content/atomic-structure-the-bohr-model.html https://www.youtube.com/watch?v=LeXOxWuuVRU

The Wave Nature of Matter http://www.colorado.edu/physics/2000/quantumzone/debroglie.html

Planck’s Constant and the Energy of a Photon http://www.colorado.edu/physics/2000/quantumzone/photoelectric2.html

Chapter 3: Einstein Demystifies Photoelectric Effect http://www.faqs.org/docs/qp/chap03.html Elements and Atoms: Chapter 18 Early study of Radioactivity: http://www.aip.org/history/curie/brief/03_radium/radium_1.html

Enrico Fermi http://www.lucidcafe.com/library/95sep/fermi.html

A Summary of http://particleadventure.org/other/proj_sum.html

The History of Antimatter http://ffden-2.phys.uaf.edu/212_fall2003.web.dir/tyler_freeman/history.htm

Cerns Labs http://home.web.cern.ch/about

Higgs Boson http://science.howstuffworks.com/higgs-boson.htm