chemistry
posted by Jessa .
given the density of helium is 0.1785g/cm3 and the density of argon is 1.784g/cm.3 estimate the density of neon

You might try averaging them; i.e.,
(0.1784 + 1.784)/2 = ?
You can look up the density of Ne here.
http://en.wikipedia.org/wiki/Neon
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