30 déc. 1865 - He proposed his “law of octave” in 1864 which organized the known elements into a table by weight. He was one of the first scientists to discover a periodic pattern. He discovered that by arranging the elements by atomic mass, they shared similar properties every 7 elements.
Ajouté au bande de temps:
Date:
30 déc. 1865
Maintenaint
~ Il y a 159 ans