Chemistry: Matter and Change

Chapter 4: The Structure of the Atom

WebLinks


Exploring the Table of Isotopes
This site is a project of the Berkeley National Laboratory. Use the interactive table to learn more about isotopes. What is the half-life of Cs-115?
( http://ie.lbl.gov/education/isotopes.htm )
Glimpses of Atomic Theory through Time
This site gives some history in the concept development of the atom—everything from Aristotle to nanotechnology. There is a conventional photo of an oil droplet and an optical image showing features 1-nm across (approximately 5 atoms in width). Compare and contrast the two images in your Science Journal.
( http://dept.physics.upenn.edu/courses/gladney/mathphys/subsubsection1_1_3_2.html )
Biography of Robert Millikan
Robert Millikan won the Nobel Prize in physics in 1923 for his contributions to science. Read the article to find out what Millikan's first career choice was, then read on to discover the many contributions that he made to science.
( http://www.nobel.se/physics/laureates/1923/millikan-bio.html )
The Rutherford Gold Foil Experiment
Rutherford discovered that the atom was mostly empty space. Visit this Web site and try out the gold foil experiment simulator. Increase the size of the opening in the lead screen and watch the affect it has on the particles.
( http://micro.magnet.fsu.edu/electromag/java/rutherford/ )
Biography of Ernest Rutherford
Ernest Rutherford was awarded the Nobel Prize in chemistry in 1908. Visit this site to discover the many contributions that this man made to science. How many names do you recognize in this biography?
( http://www.nobel.se/chemistry/laureates/1908/rutherford-bio.html )
Nanotechnology Images
Visit this site to see images at the atomic level. Click on the link The Birth of a CO2 Molecule and see how carbon and oxygen combine. Read the text to see how this new technology could be used.
( http://www.aip.org/mgr/png/cat9.html )
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