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GERMANIUM<br />
A hard gray semi-metal discovered in 1875. <br />
Mendeleev made accurate predictions about the unknown element he called eka-silicon (below silicon) by examining the properties of the known surrounding elements.  Atomic weight = 69.72

Fphoto-36279403B-2RM.jpg

GERMANIUM
A hard gray semi-metal discovered in 1875.
Mendeleev made accurate predictions about the unknown element he called eka-silicon (below silicon) by examining the properties of the known surrounding elements. Atomic weight = 69.72

Copyright:© 1994 Richard Megna - Fundamental Photographs

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