CHAPTER X

The Octahedron Group B



THESE elements occur at the extreme left-hand swing of the pendulum. Their characteristic valence is four. They all have eight funnels opening on the faces of an octahedron and two of them add spikes pointing to the six corners.



ATOMIC
No.ANU ELEMENT CENTREFUNNELS SPIKES
14520 Silicon - 8 (B5 + 4Si15) -
321300GermaniumBe4 + 2Ad248 (4Ge39) -
502124Tin Ne120 8 (4Ge39) 6 Sn126
652916Terbium Ne120 8 (4Ge39 + 2Mo46 + I.7) 6 Sn126
823727Lead Tl.687 4 (Ca160 + Mo46 + 4Sn35 + Pb31) 4 (Ca160 + 4Ge39 + Mo46 + Pb21)


OC131.JPG
FIG. 131. Silicon and Germanium







OC132.JPG
FIG. 132. TIN







OC133.JPG
FIG. 133. TERBIUM CENTRE, Ne120

TERBIUM



OC134.JPG
FIG. 134. TERBIUM, FUNNEL AND SPIKE





OC135.JPG
FIG. 135. LEAD CENTRE, Tl.687

OC136.JPG
FIG. 136. LEAD FUNNELS

OC137.JPG
FIG. 137. DISINTEGRATION OF SILICON AND GERMANIUM


DISINTEGRATION OF OCTAHEDRON GROUP B



Fig. 139 shows the Octahedron Group B in a condensed form, from which the relationships in the group may be studied.

OC139.JPG
FIG. 139. THE OCTAHEDRON GROUP B

  OC140.JPG
FIG. 140. TYPES OF THE BARS GROUP


Next: Chapter XI    The Bars Group
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Acknowledgements




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