953
Number weight 1459/18 79.944
IODINE (Plate V, 4).--We find herein that the central globe gains 4 atoms,
the two pairs becoming 2 quartets; the connecting rod exactly reproduces
the rods of chlorine and bromine; the funnel is also that of bromine,
except that five bodies, containing 35 atoms, are added to it. The 1439
atoms of bromine are thus raised to 2887.
IODINE: Upper Part {12 funnels of 90 atoms 1116
{Central globe 18
Lower part same 1134
Connecting rod 19
----
Total 2287
----
Atomic weight 126.01
Number weight 2287/18 127.055
The plan underlying the building up of groups is here clearly shown; a
figure is built up on a certain plan, in this case a dumb-bell; in the
succeeding members of the group additional atoms are symmetrically
introduced, modifying the appearance, but following the general idea; in
this case the connecting rod remains unaltered, while the two ends become
larger and larger, more and more overshadowing it, and causing it to become
shorter and thicker.
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