February 7 is National Periodic Table Day, when we celebrate the efforts of scientists over the centuries to figure out how different elements ...
The periodic table looks complete ... When technetium, the first human-made element, was created in 1937, “no one knew what use it would be,” says Haba, the nuclear chemist leading the ...
The periodic table organizes chemical elements based on atomic weight, electron configurations, and chemical properties, ...
On 17 February 1869, Russian chemist Dmitri Mendeleev jotted down the symbols for the chemical elements, putting them in order according to their atomic weights and inventing the periodic table.
Zahra Khan finds out how a team of scholars is working with the Gadigal to develop a chart that celebrates Indigenous ...
Donald Trump made what looked like a typically left field offer to pave the way to a peace settlement in Ukraine. “They have ...
There are some 17 elements in the Rare-Earth Elements, or REE, category in the Periodic Table of known elements ... but at least Trump was no longer giving free aid – “but it would be better ...
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This metal, the oxide of which exists only in quantities of a few grammes, and which no person ... for ekabor, an element the existence of which was predicated by the periodic law.