The periodic table of elements was proposed in 1869, and thereafter became one of the cornerstones of the natural sciences. This table was designed to contain all the elements found in nature in a special layout that groups ...
Analytical Chemistry
Sep 10, 2019
0
1388
The periodic table of elements that most chemistry books depict is only one special case. This tabular overview of the chemical elements, which goes back to Dmitri Mendeleev and Lothar Meyer and the approaches of other chemists ...
Mathematics
Jun 17, 2019
6
1917
It's time to buy a lot of candles. And if we light them with matches, it will only be possible because of the anniversary in question. It's happy 350th birthday to the discovery of phosphorus, an element that is essential ...
Other
Jan 10, 2019
0
21
(Phys.org) —The International Union of Pure and Applied Chemistry (IUPAC) has voted to change the standard atomic weight of 19 elements as listed on the Periodic Table of the Elements. The move has come following the annual ...
Even though nearly 80 years have passed since the discovery of Technetium, the first "synthetic" element, the periodic table of elements remains a work in progress.
General Physics
Sep 12, 2013
0
1
Astatine is among the world's rarest elements – with a maximum half-life of just eight hours, found in tiny amounts in natural radioactive decay chains, but also produced by bombarding bismuth with energetic atomic particles. ...
Condensed Matter
Sep 10, 2013
1
1
Mobile devices equipped with a QR (quick response) code scanning app, which gives consumers instant access to information on the Web, now can give the same access to 110 years of information about the most prestigious honors ...
Other
Sep 4, 2013
0
0
(Phys.org) —An unexpected magnetic behavior within Sr3CuIrO6, a transition-metal compound (TMC) that combines the transition metal copper with the transition metal iridium has been revealed by research at the U.S. Department ...
Condensed Matter
Aug 8, 2013
1
2
In September 2012 an experiment at the TRIUMF accelerator complex reached a milestone. The FrPNC collaboration —-short hand for Francium Parity Non-conservation—-succeeded in trapping several kinds of francium, including ...
General Physics
Oct 29, 2012
0
1
The nucleus of an atom can have different shapes that co-exist. European scientists investigated nuclear shape change with advanced experimental techniques.
General Physics
Oct 16, 2012
1
0
