Chemistry · Genesis of periodic classification
Who proposed the 'Law of Octaves' for the classification of elements, and in which year?
- 1Lothar Meyer in 1864
- 2Johann Wolfgang Döbereiner in 1829
- 3Dmitri Mendeleev in 1869
- 4John Newlands in 1865✓
Correct answer
John Newlands in 1865
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