Chemistry Review Stations: Unit 1, Chapter 3: A World of Particles
Station A: Atomic Models, Reference Living by
Chemistry, p. 52 – 53.
1. What evidence caused Thomson to change
Dalton’s solid sphere model into the plum
pudding model?
Thomson’s Experiment,
https://sites.google.com/site/thomsonsexperiment/jj-thomson-s-
atomic-model-and-theory
2. What evidence caused Rutherford to change
Thomson’s plum pudding model into the
nuclear model?
Geiger-Marsden Experiment, Rutherford Gold Foil Experiment, Wikipedia,
https://en.wikipedia.org/wiki/Geiger%E2%80%93Marsden_experiment
Chemistry Review Stations: Unit 1, Chapter 3: A World of Particles
Station B: Isotopes, Average Atomic Mass
3. Explain the differences between
atomic number and atomic mass.
4. Draw a periodic table square for 5
elements of your choosing.
Chemistry Review Stations: Unit 1, Chapter 3: A World of Particles
Station C: Isotopes of Elements,
Stability, Radioactive
http://intranet.micds.org/upper/Science/text/Chemistry_Textbook/Ch02/images/isotope_symbol.jpg
5. Use the “Isotopes of Elements” Table
to write all the isotopes in this notation.
a.Magnesium (Mg)
b. Mercury (Hg)
Chemistry Review Stations: Unit 1, Chapter 3: A World of Particles
Station D: Alpha Decay
http://www.atnf.csiro.au/outreach//education/senior/cosmicengine/images/sun/alphadecay.gif
6. Write the formula for Alpha Decay of:
a.Uranium-238
b. Polonium-208
c. Platinum-175
http://image.slidesharecdn.com/nucleardecay-100323212201-phpapp02/95/nuclear-decay-8728.jpg?cb=1269379447
Chemistry Review Stations: Unit 1, Chapter 3: A World of Particles
Station E: Beta Decay
http://web.clark.edu/aaliabadi/chem143final08key_files/image024.gif
7. Write the formula for the Beta
Decay of:
a. Cesium-137
b. Carbon-14
c. Platinum-197
Chemistry Review Stations: Unit 1, Chapter 3: A World of Particles
Station F: Nuclear Reactions, Fusion, Fission
8. How are new elements formed?
9. What is the difference between a
chemical and a nuclear reaction?
10. Explain the nuclear chain reaction of
Uranium-235.
http://www.emc2-explained.info/Emc2/fission_chain.gif