Who has made periodic table and why....

1.	Who has made periodic table and why....
Answer» Answer: EXPLANATION: Dimitri MENDELEEV In 1869 Russian chemist Dimitri Mendeleev started the development of the periodic table, arranging chemical ELEMENTS by atomic mass. He PREDICTED the discovery of other elements, and left spaces open in his periodic table for them.

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In 1869 Russian chemist Dimitri Mendeleev started the development of the periodic table, arranging chemical ELEMENTS by atomic mass. He PREDICTED the discovery of other elements, and left spaces open in his periodic table for them.

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Who has made periodic table and why....

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