The periodic table has become an icon of science. Its rows and columns provide a tidy way of showcasing the elements — the ingredients that make up the universe. It seems obvious today, but it wasn’t ...
At the middle of the 19th century, 63 chemical elements were known to science. Before Mendeleev’s discovery, attempts at arranging them in some logical way were made by Johann Doebereiner (1829), ...
DMITRI Mendeleev had a problem. As a professor at the University of St Petersburg in Russia, he was supposed to teach chemistry to students, and to guide him in that task he had arranged a contract ...
PARIS, January 29. /TASS/. Russian scientists will hold the first experiments at the Super-Heavy Element Factory in Dubna near Moscow in April to synthesize the 114th and 115th elements of Mendeleev’s ...
I went to my rest a sober man, content with the stable progression of elements I found to be more reliable than any prayer. Sleep came easily. I went deep, then deeper, until in a single instant I ...
The oldest known periodic table in world has been discovered at the University of St Andrews. Dated back to 1885, the table was created only 16 years after Russian chemist Dmitri Mendeleev introduced ...
Credit for the periodic table of the elements generally goes to Dimitri Ivanovich Mendeleev, but a specialist in the history and philosophy of chemistry says the Russian chemist probably peeked at the ...