February 25, 2017

Homework Help: Math(Please help)

Posted by Hannah on Sunday, September 11, 2011 at 6:25pm.

The radius of a niobium atom is 131 pm. How many niobium atoms would have to be laid side by side to span a distance of 1.4 mm??

I know that 10^9 is pm or is it -9??

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