The Elements According to Relative Abundance
A Periodic Chart by Prof Wm. F Sheehan, University of Santa Clara.CA 95053
Ref. Chemistry, VoI.49, No.3, p17-18,1976
Colors suggest relative electron negativity
H He B C N O F Ne
Na Mg Al Si P S Cl Ar
K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd Sn Sb Te I Xe
Cs Ba La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
Fr Re Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lw
Roughly, the size of an element�۪s own niche (���I almost wrote square�)
is proportioned to its abundance on Earth�۪s surface, and in addition,
certain chemical similarities (e.g., Be and Al, or B and Si) are suggested
colors suggested by the positioning of neighbors. The chart emphasizes that in
real life a chemist will probably meet 0, Si, Al, . . . and that he better
do something about it. Periodic tables based upon elemental abundance
would, of course, vary from planet to planet. . . W.F.S.
NOTE: TO ACCOMMODATE ALL ELEMENTS SOME DISTORTIONS WERE NECESSARY, FOR EXAMPLE SOME ELEMENTS DO NOT OCCUR NATURALLY.
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