The Elements According to Relative Abundance A Periodic Chart Sheehan, University of Santa Clara,CA 95053 Ref. Chemistry, Vol.49, No.3, Colors suggest relative electro- negativity 5 1970 Sheehan Right

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The Elements According to Relative Abundance
A Periodic Chart Sheehan, University of Santa Clara,CA 95053
Ref. Chemistry, Vol.49, No.3,
Colors suggest
relative electro-
negativity
5
1970 Sheehan
Rights Reserved
Reprinted from 1978 *Сойепаат.
gested the positioning of neighbors. The chart emphasizes that in
Roughly, the size of an element’s own niche almost wrote real life a chemist will probably meet О, and that he better
is proportioned to its abundance on Earth’s surface, and in addition, something about it. Periodic tables based upon elemental abun-
certain chemical similarities Be and or and are sug- dance would, of course, vary from planet to planet. W.F.S.
NOTE: TO ACCOMMODATE ALL ELEMENTS SOME DISTORTIONS WERE NECESSARY, FOR EXAMPLE SOME ELEMENTS NOT OCCUR NATURALLY.

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