Thread: For the Chemists
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Old 21-12-2010, 09:56 AM
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marki
Waiting for next electron

marki is offline 		 
Join Date: Mar 2008
Posts: 2,427
I am still trying to get over the changing of the periodic table from 8 groups to 18 groups. I have to correct myself all the time when discussing trends with my students, must be getting old


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