Dmitri Ivanovich Mendeleev, Russian chemist who developed the periodic
classification of the elements and is known on his notable work “The Principles of
Chemistry”. With this, make a thank you letter addressed to him.
classification of the elements and is known on his notable work “The Principles of
Chemistry”. With this, make a thank you letter addressed to him.
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No. 2 (the principle) Mendeleev realized that the physical and chemical properties of elements were related to their atomic mass in a 'periodic' way, and arranged them so that groups of elements with similar properties fell into vertical columns in his table.
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