In 1864, John Newlands ordered the periodic table by relative atomic mass. After doing so, he regarded that each element was similar to the element 8 places further on. This is true for some many elements, such as Lithium and Sodium The name comes from musical instruments like the piano. There are 8 different notes in a piano, and moving up 8 notes is called an octave (1 janv. 1864 – 23 h 59 min, 31 déc. 1864 ans)
Ajouté au bande de temps:
Date:
1 janv. 1864
23 h 59 min, 31 déc. 1864 ans
~ 12 months