atoms in grain of sand

BigD · #1 Aug 22, 2006, 10:06 PM

Estimate the number of atoms in a grain of sand. Assume the grain is a
0.25mm (on each side) cube and that average distance between atoms is
10^-10m.

Please help me answer this question i have a lot of trouble solving it. Can u show the steps too. Thank you sooo much.

RickJ · Aug 23, 2006, 02:27 AM

Here, check this out:
http://www.madsci.org/posts/archives...6798.Ph.r.html

BigD · Aug 23, 2006, 12:54 PM

Thanx a lot RickJ. Very fast explanation of the problem. Thanx again for helping.



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