The Periodic table as we know it today was the result of the hard work of different scientists.
Dmitri Mendeleev
- used patterns to predict undiscovered elements - was able to do so by predicting the properties of elements that had not been discovered yet.
Johann Wolfgang Dobereiner
- created groups of three elements, each based on similar properties
John Newlands
- arranged elements according to their atomic mass
Antoine Lavoisier
- divided elements into four categories
The work that these four scientists did proved immeasurable in our understanding of the periodic table and its elements.
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