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Atomic weights of 10 elements to be altered

Published 12/14/2010, Los Angeles Times (MCT)

Call it Extreme Makeover: Chemistry Edition. That imposing, yellowing chart gracing the walls of every science classroom is about to get an update. The adjustments planned for the periodic table of the elements will more accurately reflect the true nature of 10 kinds of atoms — carbon, nitrogen and oxygen among them — that play a key role in such real-world issues as detecting counterfeit food, tracing pollutants in rivers and nailing baseball players sneaking steroids.

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