e

).

CHROMIUM: 4 funnels of 210 atoms 840
Central globe 96
-----
Total 936
-----
Atomic weight 51.74
Number weight 936/18 52.00

Molybdenum

(

[Plate VIII]

, 6) very closely resembles strontium, differing from it only in the composition of the highest pair of spheres in the funnels and in the presence of a little sphere, containing two atoms only, in the middle of the central globe. The topmost spheres contain no less than eight subsidiary spheres within each; the highest of these (7

e

) has four atoms in it; the next three have four, seven and four (7

e