James,
A factor being overlooked is that the radius of an atom of
Ag will be larger than the radius of an ion of Ag.
"When electrons are added to an atom (creating a negative ion), the
repulsions between them increase, and causes them to push away from
each other, therefore making the size of the ion larger than the
neutral atom. When electrons are removed from an atom (creating a
positive ion), the repulsions decrease, and the remaining electrons
are drawn closer to the nucleus, therefore making the size of the
ion smaller than the neutral atom."
source: http://library.thinkquest.org/3659/structures/variation.html
addition info can be found at:
http://www.webelements.com/webelements/elements/text/radii/Ag.html
http://www.webelements.com/webelements/elements/text/vrad/Ag.html
Regards,
George Martin
On Thu, 1 Jun 2000 16:03:49 -0700, James Allison wrote:
=>Okay, since it seems that I started this, I made a few phone calls
and
=>emailed a few people that do electron microscopy and so far I have
only
=>gotten 1 response. The response I got was that the approximate
radius of Ag
=>is 1.444 angstroms. So now we have 3 conflicting numbers as to
particle
=>size :(
=>
=>All this trouble for an angstrom, something that is only
.00000003937th of
=>an inch ;)
[snip]
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