Russian chemist (1834–1907)
People connected to Dmitri Mendeleev
He predicted elements that didn't exist yet — and got their properties right. Mendeleev's periodic table turned chemistry from a catalog into a map with empty spaces where new discoveries would land.
Dmitri Ivanovich Mendeleev was born on 27 January 1834 in Russia. He formulated the periodic law and built a version of the periodic table that did more than organize known elements — it exposed gaps. Using his system, he corrected accepted values for uranium's valence and atomic weight, then went further: he predicted the properties of three elements not yet discovered. Germanium, gallium, and scandium were all found later, matching his descriptions. The synthetic element mendelevium carries his name. He died on 20 January 1907.
Sourced, dated quotes from Dmitri Mendeleev
1. The elements, if arranged according to their atomic weights, exhibit an evident periodicity of properties.2.
In science we must all submit not to what seems to us attractive from one point of view or another, but to what represents an agreement between theory and experiment.
To burn oil!.. You can fuel with money as well.
Doctor, you have science, I have faith.--to his physician, this was possibly a Jules Verne quote.
I wish to establish some sort of system not guided by chance but by some sort of definite and exact principle.
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