Homework Help: Chemisty

Posted by love on Tuesday, January 17, 2012 at 10:54pm.

The radius of a lead atom is 175 pm. How many lead atoms would have to be laid side by side to span a distance of 1.58 mm?

Chemisty - DrBob222, Tuesday, January 17, 2012 at 11:07pm
If the radius is 175 pm then the diameter is 350 pm.
350 pm/atom x # atoms = 1.58E9 pm
Solve for # atoms.

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