Dmitri Mendeleev

The magnitude of the atomic weight determines the character of the element, just as the magnitude of the molecule determines the character of a compound body.
The magnitude of the atomic weight determines the character of the element, just as the magnitude of the molecule determines the character of a compound body.
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These are some quotes by Russian author Dmitri Mendeleev Scientist, who lived between February 8, 1834 and February 2, 1907.