Founders of the periodic table
John Dalton - First to order elements by mass.
John Newlands - Law Of Octaves(8) - Noticed that every 8th element was similar (he made mistakes- not accepted).
Alexandre-emile Beguyer de Chancourtois - sorted out the elements showing the similarities between every 8th element - Diagram was too hard to understand.
Deitri Mendeleev - He left Gaps for elements that have not been dicovered yet - Later elements where discoverd to fill in the blanks - Father of the modern periodic table - He arranged them so that a periodic pattern in their physical and chemical properties could be seen.
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