Periodic Table
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- He organized the elements by three, and by their atomic characteristics.
- I am the first person who tried to organize the Elements, my name is Johann Wolfgang Döbreiner.
- He arranged it in a three-dimensional arrangement.
- I am the second person who tried to organize the Elements, my name is Alexandre- Emilie Béguyer de Chancourtois
- He noticed that there were similarities between elements with atomic weights that differed by seven,this was organized by the elements´ atomic mass.
- I am the third person who tried to organize the Elements, my name is John Newlands
- He listed the elements in order of atomic weight, with elements with the same valency arranged in vertical lines.
- I am the fourth person who tried to organize the elements, my name is Julius Lothar Meyer
- He did this by putting the elements in order of increasing atomic weight.
- I am the fifth person who tried to organize the elements, my name is Dmitri Mendeleev
- He did this by organizing the elements by their atomic numbers.
- I am the sixth person who tried to organize the elements, my name is Henry Moseley
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