Gold Atoms - Physical Properties

[docf...@my-dejanews.com]

Greetings!

I have an unusual request. I need to know the precise physical properties of
a single atom of gold. Specifically, I need to know the following -

precise weight (in picograms or femtograms as applicable) of a single atom
physical dimensions (width or diameter) of a single atom
physical dimensions (width or diameter) of a string of 10 atoms (to determine
spacing)

This should be for regular (non-radioisotope) gold. As it only has a single
isotope occuring in nature, this should cut down confusion. If you cannot
answer these questions, please let me know who to contact. My thanks in
advance for your efforts.

Doc Farmer
docf...@shaheer.net.sa

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[lo...@sfu.ca]

A single atom has only a very limited set of physical
properties. The mass is just the atomic weight divided
by Avogadro's number. The size of a single atom is
not defined. For atoms in a bulk metal, the "metallic"
radius-- based on the average spacing in a 3-dimensional
crystal, is usually taken and is 1.44 A,
but for a 1- or 2-dimensional
array, I doubt that this figure would be realistic.

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