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 gen 1864 anni – 23 ore 59 min, 31 dic 1864 anni)
Aggiunto al nastro di tempo:
Data:
1 gen 1864 anni
23 ore 59 min, 31 dic 1864 anni
~ 12 months