Thursday, September 17, 2009
periodoc tables!
This week we did a lot of reading and learning about new materials. First we learned about the periodic table on monday and tuesday. Then we did a periodic table lab. That was ok, We had to place a buch of elements in order. Later we studied about atomic structures and isotopes. We learned how to figure out the number of neutrons, electrons, and protons were in an atom of an element. Finally we read a section on inos and their compunds. Mr.Olson showed us how when an atom loses a electron it gets smaller and the formulas for elements losing and gaining electrons. Overall a very long but educational week!
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