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July 4, 2015

Homework Help: chemistry

Posted by andrew on Monday, September 29, 2008 at 9:41pm.

Assume that the entire mass of an atom is concentrated in its nucleus, a sphere of a radius 1.5 x 10 to the -5 pm. If the mass of the atom is 2.39 x 10 to the -22 g, what is the density?

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