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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 gen 1864 anni - Newlands The known elements (>60) were arranged in order of atomic weights and observed similarities between the first and ninth elements, the second and tenth elements etc. He proposed the 'Law of Octaves'.
Aggiunto al nastro di tempo:
Contributions to Periodic table
By
Samuel Benjamin
13 feb 2020
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0
221
Data:
1 gen 1864 anni
Adesso
~ 161 years ago
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