Ask Question
7 November, 18:01

How was the first periodic table of the elements organized?

+3
Answers (1)
  1. 7 November, 18:18
    0
    In 1869 Dmitri Mendeleev developed the periodic table of the elements, in which he arranged chemical elements by atomic mass. In case there would be some more new elements, the chemist left some spaces open, predicting the discovery of other elements.
Know the Answer?