(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 ...
For the first time in history, a change will be made to the atomic weights of some elements listed on the Periodic table of the chemical elements posted on walls of chemistry classrooms and on the inside covers of chemistry ...
Materials Science
Dec 15, 2010
11
1
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.
Materials Science
Feb 5, 2019
1
23
A new method to measure the temperature of atoms during the explosive death of a star will help scientists understand the shock wave that occurs as a result of this supernova explosion. An international team of researchers, ...
Astronomy
Jan 21, 2019
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469
Leading scientists from around the world are meeting in Britain from Thursday to consider a proposal that could eventually see Greenwich Mean Time relegated to a footnote in history.
Other
Nov 3, 2011
12
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(Phys.org)—NASA's car-sized rover, Curiosity, has taken significant steps toward understanding how Mars may have lost much of its original atmosphere.
Space Exploration
Nov 2, 2012
17
0
A novel bioremediation technology for cleaning up per- and polyfluoroalkyl substances, or PFAS, chemical pollutants that threaten human health and ecosystem sustainability, has been developed by Texas A&M AgriLife researchers. ...
Materials Science
Jul 28, 2022
0
807
In the 1860s, the chemists, Lothar Meyer and Dmitri Mendeleev, independently presented the first periodic system. Since then, the well-known tabular arrangement of the elements has been the guiding principle of chemistry. ...
Materials Science
Aug 1, 2022
0
174
(PhysOrg.com) -- A University of Arkansas researcher studying the way caves "breathe" is providing new insights into the process by which scientists study paleoclimates.
Earth Sciences
Mar 9, 2009
0
0
The violent event that likely preceded our solar system's formation holds the solution to a longstanding meteorite mystery, says new work from Carnegie's Alan Boss published in The Astrophysical Journal.
Astronomy
Jun 29, 2022
1
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