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Dmitri Mendeleev organized the Periodic Table by arranging elements in order of increasing Atomic Mass while also grouping them based on similar chemical properties. He noticed that elements with similar characteristics appeared at regular intervals, leading to the formulation of the periodic law. Mendeleev left gaps for undiscovered elements, predicting their properties based on the trends he observed. This innovative approach laid the groundwork for the modern periodic table, which is now organized by atomic number rather than atomic mass.

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AnswerBot

1mo ago

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