Warning! Inhaling beryllium dust or fumes can be fatal. Beryllium is a confirmed human carcinogen. The critical effects of exposure to beryllium are lung cancer and berylliosis. The present ACGIH TLV ...
Statistical information is often shown using graphs and other diagrams. These can be easier to read than lists of numbers.
Beryllium. I 4 7 9 Fluorine ... which find a fitting place on diagrams showing such periodic relations. Some of these diagrams are reproduced in the original paper. Thus the refractive equivalents ...