OCR Text |
Show AN ATOM A SMALL WORLD. In a paper concerning the functions of the minute electrical charges In the chemical . combination combi-nation of atoms, delivered by Prof. William Albert Al-bert Noyes of the University of Illinois, before the National academy at Washington, lie said that for a century the atom was the ultima thule of smallness for scientists. Now they know that each atom Is a complex system similar to our sun and Its planets, that is. with a central body and from one to a hundred smaller bodies revolving revolv-ing around It. The differences between hydrogen, hydro-gen, oxygen. Iron. gold, radium, etc.. are all in the electrical charge of the central nucleus and in the number and arrangement of these little satellite? of their atoms. |