30 apr 1864 anni - Newlands was the first person to devise a periodic table of elements arranged in order of their relative atomic masses. Continuing Johann Wolfgang Döbereiner's work with triads. It ultimately helped him publish his 'Law of Octaves', which stated that 'any given element will exhibit analogous behaviour to the eighth element following it in the table.
Aggiunto al nastro di tempo:
Data:
30 apr 1864 anni
Adesso
~ 161 years ago