Russian scientist created a chemistry tool with room for discovery
March 05, 2019Dmitri Mendeleev’s periodic table, first published 150 years ago, left spaces for yet-to-be-discovered elements.
from Lifestyle https://ift.tt/2EFFejL
Dmitri Mendeleev’s periodic table, first published 150 years ago, left spaces for yet-to-be-discovered elements.
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