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Asked by dawarboss to Asif, Laura, Lena, Sean, Viv on 16 Mar 2012. This question was also asked by millerbei, drama.
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Lena Ciric answered on 16 Mar 2012:
133000000000000000000000000000000000000000000000000
It’s true! Apparently the most common is oxygen followed by iron.
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Viv Lyons answered on 18 Mar 2012:
Another way of looking at it is that there are more atoms in a single grain of sand than there are grains of sand on a beach.
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Comments
ogoldfinch09 commented on :
I would be very impressed if someone actually managed to count them one by one but I sincerely doubt that this figure is any more than an estimate. I would like to know how this conclusion was reached.
Lena commented on :
This link has the info you’re after: http://education.jlab.org/qa/mathatom_05.html
There was no counting. It’s an estimate based on the mass of the Earth and the abundance of the most common elements.
ogoldfinch09 commented on :
Is there any estimate on the margin of error for those figures?
dawarboss commented on :
that’s awesome =D