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Latest Pure and Applied Chemistry Stories

Names Chosen For Elements 114 And 116
2011-12-02 12:22:03

On Thursday, the International Union of Pure and Applied Chemistry (IUPAC) proposed new names for elements 114 and 116. A collaboration of scientists from the Joint Institute for Nuclear Research in Dubna and the Lawrence Livermore National Laboratory (LLNL) said that the name Flerovium for element 114 and Livermorium for element 116 were chosen to fit the latest heavy elements. The IUPAC officially accepted elements 114 and 116 as the heaviest elements in June 2011, ten years since...

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2011-06-09 05:50:03

Scientists from the scientific governing committees of physics and chemistry have added two new elements -- yet to be named -- to the periodic table, reports The Associated Press (AP). The elements, currently known only as 114 and 116, are both highly radioactive and, with respective atomic weights of 289 and 292, are now the heaviest elements on the periodic table of elements, bumping copernicium and roentgenium down the list of heavyweights. The two radioactive elements exist only for a...

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2010-12-16 08:55:00

Researchers from around the world compile more reliable data that will help science and industry 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 textbooks worldwide. The new table, outlined in a report released this month, will express atomic weights of 10 elements - hydrogen, lithium, boron, carbon, nitrogen, oxygen,...

2009-09-10 04:16:00

NEUCHATEL, Switzerland, September 10 /PRNewswire-FirstCall/ -- Elsevier, a leading publisher of scientific, technical and medical information products and services, today announced it has become one of the Charter Members of the InChI Trust and will have a seat on the board at the first InChI Trust Board meeting on September 11th. Originally developed by the International Union of Pure and Applied Chemistry (IUPAC), the IUPAC International Chemical Identifier (InChI) is a...


Word of the Day
siliqua
  • A Roman unit of weight, 1⁄1728 of a pound.
  • A weight of four grains used in weighing gold and precious stones; a carat.
  • In anatomy, a formation suggesting a husk or pod.
  • The lowest unit in the Roman coinage, the twenty-fourth part of a solidus.
  • A coin of base silver of the Gothic and Lombard kings of Italy.
'Siliqua' comes from a Latin word meaning 'a pod.'
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