Development of the periodic table
- Created by: emews
- Created on: 26-10-17 17:15
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- Development of the periodic table
- An English scientist called John Newlands put forward his Law of Octaves in 1864. He arranged all the elements known at the time into a table in order of relative atomic mass.
- In 1869 John Newlands put forward his Law of Octaves
- Both scientists arranged the elements in order of atomic weight
- Mendeleev left gaps for later elements
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