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:
Key Scientists in the construction of the periodic timetable
Chemistry homework for the 30/11/18 detailing the title
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