* Astronomy

Abundances for selenium in a number of different environments. Use the links in the location column for definitions, literature sources, and visual representations in many different styles (one of which is shown below) Location ppb by weight ppb by atomsUniverse 30 0.5 Sun no data no data Meteori...

Researchers studying the labyrinthine nature of atomic nuclei say they have answered a question that has puzzled physicists for more than half a century: Why does the radioactive isotope known as carbon-14 decay so slowly? The discovery could lead to a better understanding of the workings of the s...

Oxford ecologist Philip Stewart has designed a new periodic table of the elements. American schools are placing orders daily for Stewart's table, and the Royal Society of Chemists recently sent a copy to every British secondary school. Stewart's is the only remake to achieve widespread...

Almost exactly 200 years ago, sodium was isolated as an elemental metal during electrolysis of molten sodium hydroxide (caustic soda). This was announced on November 19, 1807, by Sir Humphry Davy, in the Bakerian Lecture of the Royal Society, along with another new alkali metal, potassium (from m...

Researchers at the National Institute of Standards and Technology (NIST) have discovered a phenomenon long thought not to exist. They have demonstrated a mechanical fatigue process that eventually leads to cracks and breakdown in bulk silicon crystals. Silicon the backbone of the semiconduct...

Chemists at the University of Virginia have prepared the first uranium methylidyne molecule ever reported, despite the reactivity of uranium atoms with other molecules. This new molecule is a hydrocarbon containing a uranium-carbon triple-bond. Their finding, which contributes to chemists...

An experiment at the GANIL facility in France is the first to make, observe, identify, and characterize the heaviest isotope yet of hydrogen, H-7, consisting of a lone proton and 6 neutrons. All of the lighter isotopes of hydrogen have previously been seen: H-1 (ordinary hydrogen), H-2 (deuterium...

Polonium Is The Only Element With Simple Cubic Polonium is the only element with simple cubic crystal structure, and new theoretical work explains why that is. In a solid piece of polonium the atoms sit at the corners of a cubic unit cell and nowhere else. [url=http://www.aip.org/pnu/2007/split...

Not since the use of germanium in the first transistor radios and the discovery of its crucial role in semiconductor research more than 50 years ago has the study of this element garnered so much attention. This half-century rebound in popularity is thanks to a University of Houston scientist and...

Element 118 has been created in experiments conducted at the Flerov Laboratory of Nuclear Reactions in Dubna, Russia by a collaboration of researchers from Russia's Joint Institute for Nuclear Research and the Lawrence Livermore National Laboratory in California. Element 118, the heaviest...

CHEMISTS FORGE A NEW FORM OF IRON An international team of chemists has discovered a new and unexpected form of iron, a finding that adds to the fundamental understanding of an element that is among the most abundant on Earth and that, in nature, is an essential catalyst for life. "[i...

Two super heavy elements discovered For the first time a Swiss research group has participated in the discovery of new chemical elements. The elements have the numbers 113 and 115 and were discovered by a combination of physical and chemical techniques in the Russian nuclear research...

An international team of nuclear physicists has created zinc-54 for the first time. They have confirmed that it can undergo two-proton decay, a rare process that has only been seen in one other isotope before. The results should shed more light on how protons are bound together in the nucleus. Nuc...

Scientists have found a new way to time events in the early Solar System. Writing in the journal Science, they describe how aluminium radioisotopes can now offer precise timing of events 4.5 billion years ago. The study shows that the rate of decay of isotopes can now be relied upon to give accurate me...

Researchers are normally hard-pressed to catch a fleeting glimpse of the so-called superheavy elements at the far edge of the periodic table. Now a team has gone a step further and studied the chemistry of short-lived element 112, which seems to bond with other elements in the same way as its mundane...

Title: A New Technique for Determining Europium Abundances in Solar-Metallicity Stars Authors: Kathryn M. G. Peek (Version v2) We present a new technique for measuring the abundance of europium, a representative r-process element, in solar-metallicity stars. Our algorithm compares LTE synt...

Researchers at the University of Amsterdam (UvA) have created chiral palladium metal. The most powerful tool in homogeneous transition metal catalysis is ligand design and optimisation. However, as the complexity of the ligands increases, synthetic routes towards these ligands are generall...

B80, boron buckyball A new study by Rice University scientists predicts the existence and stability of another "buckyball" consisting entirely of boron atoms. The research, which has been published online and is due to appear as an editor's selection in Physical Review Letters, was c...

As the filament in an incandescent light bulb, tungsten can illuminate a room, but it hasn't been spotlighted as an environmental contaminant in the same way that lead or mercury has. In fact, in the mid-1990s, believing that tungsten is relatively insoluble in water and nontoxic, the Army replace...

Most of the carbon supporting life on Earth was forged by red giant stars that never exploded, say astronomers in Michigan and Sweden. These stars cast the carbon into space when they blew off their outer atmospheres and became white dwarfs. Carbon, nitrogen, and oxygen--atomic numbers 6, 7, a...

On Earth, neon is known for being flashy. Any Las Vegas tourist knows that signs sporting this noble gas are hard to miss, but in space this is not always true. Neon is the fifth most abundant element in the cosmos, but until recently, astronomers couldn't seem to get a precise measurement of it in the Un...

Title: Discovery of Fluorine in Cool Extreme Helium Stars Authors: Gajendra Pandey (Indian Institute of Astrophysics, Bangalore, India) Neutral fluorine (F I) lines are identified in the optical spectra of cool EHe stars. These are the first identification of F I lines in...

Researchers devise new way to cleave nitrogen Prescription drugs, nylon stockings and common fertilizers all have something in common -- bonded atoms of nitrogen and carbon. But any chemist knows creating these bonds is no easy task, as nitrogen in its natural state is paired (N2) and contains a st...

Named for the Norse god of thunder, thorium is a lustrous silvery-white metal. It's only slightly radioactive; you could carry a lump of it in your pocket without harm. On the periodic table of elements, it's found in the bottom row, along with other dense, radioactive substances - including uraniu...

Every cook knows the ingredients for making bread: flour, water, yeast, and time. But what chemical elements are in the recipe of our universe? Most of the ingredients are hydrogen and helium. These cosmic lightweights fill the first two spots on the famous periodic table of the elements. Less abun...

Scientists at the National Institute of Standards and Technology (NIST) and Indiana University (IU) have determined the most accurate values ever for a fundamental property of the element lithium using a novel approach that may permit scientists to do the same for other atoms in the periodic tabl...

Helium is the talk of the party balloon industry these days, and it is not a discussion being carried out in high-pitched giggles. The second most plentiful element in the universe is suddenly in short supply on this planet, and that means soaring prices for a lot of things, balloons included. "...

Precise mass measurement aids the hunt for heavy elements that decay slowly. Using a special trap, researchers have captured and weighed three isotopes of the superheavy element nobelium - the heaviest element so far to have its mass measured directly. The measurements are an important step towa...

Scientists Discover Heavy New Element A team of Russian and American scientists has discovered a new element that has long stood as a missing link among the heaviest bits of atomic matter ever produced. The element, still nameless, appears to point the way toward a brew of still more massive element...

Title: The magic nature of 132Sn explored through the single-particle states of 133Sn Authors: K. L. Jones, A. S. Adekola, D. W. Bardayan, J. C. Blackmon, K. Y. Chae, K. A. Chipps, J. A. Cizewski, L. Erikson, C. Harlin, R. Hatarik, R. Kapler, R. L. Kozub, J. F. Liang, R. Livesay, Z. Ma, B. H. Moazen, C...

Technetium is the chemical element with atomic number 43 and symbol Tc. It is the lowest atomic number element without any stable isotopes. Nearly all of technetium is produced synthetically and only minute amounts are found in nature. Naturally occurring technetium occurs as a spontaneous fiss...

Americium-241 is the most prevalent isotope of americium in nuclear waste. It is the americium isotope used in smoke detectors based on ionisation chambers. It is a potential fuel for long-lifetime radioisotope thermoelectric generators. [url=http://en.wikipedia.org/wiki/Americium-2...

Six New Isotopes of the Superheavy Elements Discovered A team of scientists at the U.S. Department of Energy's Lawrence Berkeley National Laboratory has detected six isotopes, never seen before, of the superheavy elements 104 through 114. Starting with the creation of a new isotope of the yet-to...

As defined by IUPAC, rare earth elements or rare earth metals are a collection of seventeen chemical elements in the periodic table, namely scandium, yttrium, and the fifteen lanthanides. Scandium and yttrium are considered rare earth elements since they tend to occur in the same ore deposits as t...

Lawrencium was first synthesised by the nuclear-physics team of Albert Ghiorso, Torbjørn Sikkeland, Almon Larsh, Robert M. Latimer, and their co-workers on February 14, 1961, at the Lawrence Radiation Laboratory (now called the Lawrence Berkeley National Laboratory) at the University of Cal...

Earth's missing xenon could be hiding in quartz What's happened to the Earth's missing xenon? For decades scientists have known that the abundance of xenon is curiously lower than predicted from comparisons with the other noble gases. Yet they have been unable to determine why. Now chemists in Can...

Californium is a synthetic radioactive metallic chemical element in the actinide series with the symbol Cf and atomic number 98. Californium was first synthesized at the University of California, Berkeley by the physics researchers Stanley G. Thompson, Kenneth Street, Jr., Albert Ghiorso, an...

Gallium is a chemical element that has the symbol Ga and atomic number 31. Elemental gallium does not occur in nature, but as the gallium(III) salt in trace amounts in bauxite and zinc ores. Gallium was discovered spectroscopically by Paul Emile Lecoq de Boisbaudran in 1875 by its characteristic sp...

Roentgenium is a synthetic radioactive chemical element with the symbol Rg and atomic number 111. It is placed as the heaviest member of the group 11 (IB) elements, although a sufficiently stable isotope has not yet been produced in a sufficient amount that would confirm this position as a heavier h...

The World's most difficult chemical experiment: The struggle to discover the secret of super-heavy elements In order to find the chemical properties of super-heavy elements, chemists must conduct one of the world's most demanding chemical experiments in a matter of seconds. In this effort, the...

Iodine was discovered by Bernard Courtois in 1811. Courtois gave samples to his friends, Charles Bernard Desormes (1777-1862) and Nicolas Clément (1779-1841), to continue research. He also gave some of the substance to chemist Joseph Louis Gay-Lussac (1778-1850), and to physicist André-Mari...

Francium is a chemical element with symbol Fr and atomic number 87. It was formerly known as eka-caesium and actinium K. It is one of the two least electronegative elements, the other being caesium, and is the second rarest naturally occurring element (after astatine). Francium is a highly radioac...

Tellurium detected for the first time in ancient stars. Nearly 13.7 billion years ago, the universe was made of only hydrogen, helium and traces of lithium - byproducts of the Big Bang. Some 300 million years later, the very first stars emerged, creating additional chemical elements throughout th...

Element 116, livermorium, was first made in Dubna, Russia in July 2000. The work was a collaboration between science teams at the Joint Institute for Nuclear Research in Dubna and the Lawrence Livermore National Laboratory in California led by Yuri Oganessian and Ken Moody. [url=http://www.che...

Meitnerium was first synthesised on August 29, 1982 by a German research team led by Peter Armbruster and Gottfried Münzenberg at the Institute for Heavy Ion Research (Gesellschaft für Schwerionenforschung) in Darmstadt. The team bombarded a target of bismuth-209 with accelerated nuclei of ir...

New 113th Element Has Been Discovered at RIKEN On July 23 at 18:55, an event that strongly confirmed the creation of the 113th element was observed by a research team directed by Dr. Kosuke Morita of RIKEN. For 80 days, the team bombarded a 209Bi target with an intense 70Zn beam from the "RILAC&qu...

	Forum	Replies	Views	Last Post
Element Selenium (Preview)	Physics News	0	1599	Sep 29 13:18 2008 by Blobrana
Abundances for selenium in a number of different environments. Use the links in the location column for definitions, literature sources, and visual representations in many different styles (one of which is shown below) Location ppb by weight ppb by atomsUniverse 30 0.5 Sun no data no data Meteori...
Element Archaeology Carbon Carbon-14 decay (Preview)	Physics News	6	7420	Feb 26 20:45 2014 by Blobrana
Researchers studying the labyrinthine nature of atomic nuclei say they have answered a question that has puzzled physicists for more than half a century: Why does the radioactive isotope known as carbon-14 decay so slowly? The discovery could lead to a better understanding of the workings of the s...
Element New Periodic Table ( 1 2 ) (Preview)	Physics News	10	11000	Jan 4 13:33 2016 by Blobrana
Oxford ecologist Philip Stewart has designed a new periodic table of the elements. American schools are placing orders daily for Stewart's table, and the Royal Society of Chemists recently sent a copy to every British secondary school. Stewart's is the only remake to achieve widespread...
Element Sodium (Preview)	Physics News	0	1750	Jan 9 16:41 2008 by Blobrana
Almost exactly 200 years ago, sodium was isolated as an elemental metal during electrolysis of molten sodium hydroxide (caustic soda). This was announced on November 19, 1807, by Sir Humphry Davy, in the Bakerian Lecture of the Royal Society, along with another new alkali metal, potassium (from m...
Element Silicon (Preview)	Physics News	1	1604	Aug 2 08:05 2010 by Blobrana
Researchers at the National Institute of Standards and Technology (NIST) have discovered a phenomenon long thought not to exist. They have demonstrated a mechanical fatigue process that eventually leads to cracks and breakdown in bulk silicon crystals. Silicon the backbone of the semiconduct...
Element Uranium (Preview)	Physics News	1	1585	Sep 28 22:06 2011 by Blobrana
Chemists at the University of Virginia have prepared the first uranium methylidyne molecule ever reported, despite the reactivity of uranium atoms with other molecules. This new molecule is a hydrocarbon containing a uranium-carbon triple-bond. Their finding, which contributes to chemists...
Hydrogen Element Hydrogen-Seven (Preview)	Physics News	0	1400	Jul 28 01:59 2007 by Blobrana
An experiment at the GANIL facility in France is the first to make, observe, identify, and characterize the heaviest isotope yet of hydrogen, H-7, consisting of a lone proton and 6 neutrons. All of the lighter isotopes of hydrogen have previously been seen: H-1 (ordinary hydrogen), H-2 (deuterium...
Element Polonium (Preview)	Physics News	0	1391	Jun 14 09:30 2007 by Blobrana
Polonium Is The Only Element With Simple Cubic Polonium is the only element with simple cubic crystal structure, and new theoretical work explains why that is. In a solid piece of polonium the atoms sit at the corners of a cubic unit cell and nowhere else. [url=http://www.aip.org/pnu/2007/split...
Element Germanium (Preview)	Physics News	0	1420	Nov 29 11:21 2006 by Blobrana
Not since the use of germanium in the first transistor radios and the discovery of its crucial role in semiconductor research more than 50 years ago has the study of this element garnered so much attention. This half-century rebound in popularity is thanks to a University of Houston scientist and...
Element Element 118 (Preview)	Physics News	1	1521	Oct 16 21:41 2006 by Blobrana
Element 118 has been created in experiments conducted at the Flerov Laboratory of Nuclear Reactions in Dubna, Russia by a collaboration of researchers from Russia's Joint Institute for Nuclear Research and the Lawrence Livermore National Laboratory in California. Element 118, the heaviest...
Element New Form of Iron (Preview)	Physics News	0	2923	Jun 1 18:47 2006 by Blobrana
CHEMISTS FORGE A NEW FORM OF IRON An international team of chemists has discovered a new and unexpected form of iron, a finding that adds to the fundamental understanding of an element that is among the most abundant on Earth and that, in nature, is an essential catalyst for life. "[i...
Nuclear Element Element 115 (Preview)	Physics News	1	3446	Aug 27 23:43 2013 by Blobrana
Two super heavy elements discovered For the first time a Swiss research group has participated in the discovery of new chemical elements. The elements have the numbers 113 and 115 and were discovered by a combination of physical and chemical techniques in the Russian nuclear research...
Element zinc-54 (Preview)	Physics News	0	1565	May 20 17:37 2005 by Blobrana
An international team of nuclear physicists has created zinc-54 for the first time. They have confirmed that it can undergo two-proton decay, a rare process that has only been seen in one other isotope before. The results should shed more light on how protons are bound together in the nucleus. Nuc...
Element Aluminium radioisotopes (Preview)	Physics News	0	1396	Aug 24 16:49 2009 by Blobrana
Scientists have found a new way to time events in the early Solar System. Writing in the journal Science, they describe how aluminium radioisotopes can now offer precise timing of events 4.5 billion years ago. The study shows that the rate of decay of isotopes can now be relied upon to give accurate me...
Element Ununbium (Preview)	Physics News	8	5750	Feb 8 20:21 2014 by Blobrana
Researchers are normally hard-pressed to catch a fleeting glimpse of the so-called superheavy elements at the far edge of the periodic table. Now a team has gone a step further and studied the chemistry of short-lived element 112, which seems to bond with other elements in the same way as its mundane...
Element Europium Abundances (Preview)	Physics News	0	1335	Jun 1 03:47 2009 by Blobrana
Title: A New Technique for Determining Europium Abundances in Solar-Metallicity Stars Authors: Kathryn M. G. Peek (Version v2) We present a new technique for measuring the abundance of europium, a representative r-process element, in solar-metallicity stars. Our algorithm compares LTE synt...
Element Chiral palladium (Preview)	Physics News	0	1317	Apr 22 15:36 2009 by Blobrana
Researchers at the University of Amsterdam (UvA) have created chiral palladium metal. The most powerful tool in homogeneous transition metal catalysis is ligand design and optimisation. However, as the complexity of the ligands increases, synthetic routes towards these ligands are generall...
Element Boron (Preview)	Physics News	1	2403	Feb 5 22:47 2009 by Blobrana
B80, boron buckyball A new study by Rice University scientists predicts the existence and stability of another "buckyball" consisting entirely of boron atoms. The research, which has been published online and is due to appear as an editor's selection in Physical Review Letters, was c...
Element Tungsten (Preview)	Physics News	1	1586	Jul 12 07:31 2014 by Blobrana
As the filament in an incandescent light bulb, tungsten can illuminate a room, but it hasn't been spotlighted as an environmental contaminant in the same way that lead or mercury has. In fact, in the mid-1990s, believing that tungsten is relatively insoluble in water and nontoxic, the Army replace...
Element Carbon Carbon ( 1 2 ) (Preview)	Cosmology News	19	11846	Dec 7 09:14 2015 by Blobrana
Most of the carbon supporting life on Earth was forged by red giant stars that never exploded, say astronomers in Michigan and Sweden. These stars cast the carbon into space when they blew off their outer atmospheres and became white dwarfs. Carbon, nitrogen, and oxygen--atomic numbers 6, 7, a...
Element Cosmic Neon (Preview)	Cosmology News	0	1357	May 16 20:20 2008 by Blobrana
On Earth, neon is known for being flashy. Any Las Vegas tourist knows that signs sporting this noble gas are hard to miss, but in space this is not always true. Neon is the fifth most abundant element in the cosmos, but until recently, astronomers couldn't seem to get a precise measurement of it in the Un...
Element Fluorine (Preview)	Physics News	3	3735	Jul 11 23:52 2012 by Blobrana
Title: Discovery of Fluorine in Cool Extreme Helium Stars Authors: Gajendra Pandey (Indian Institute of Astrophysics, Bangalore, India) Neutral fluorine (F I) lines are identified in the optical spectra of cool EHe stars. These are the first identification of F I lines in...
Element Nitrogen (Preview)	Physics News	0	1428	Dec 16 21:09 2009 by Blobrana
Researchers devise new way to cleave nitrogen Prescription drugs, nylon stockings and common fertilizers all have something in common -- bonded atoms of nitrogen and carbon. But any chemist knows creating these bonds is no easy task, as nitrogen in its natural state is paired (N2) and contains a st...
Element Thorium (Preview)	Physics News	1	1510	Apr 12 10:55 2011 by Blobrana
Named for the Norse god of thunder, thorium is a lustrous silvery-white metal. It's only slightly radioactive; you could carry a lump of it in your pocket without harm. On the periodic table of elements, it's found in the bottom row, along with other dense, radioactive substances - including uraniu...
Element Rare metals (Preview)	Stars/galaxy News	2	2356	Dec 4 16:31 2009 by Blobrana
Every cook knows the ingredients for making bread: flour, water, yeast, and time. But what chemical elements are in the recipe of our universe? Most of the ingredients are hydrogen and helium. These cosmic lightweights fill the first two spots on the famous periodic table of the elements. Less abun...
Element Lithium (Preview)	Physics News	1	1605	Feb 19 01:23 2015 by Blobrana
Scientists at the National Institute of Standards and Technology (NIST) and Indiana University (IU) have determined the most accurate values ever for a fundamental property of the element lithium using a novel approach that may permit scientists to do the same for other atoms in the periodic tabl...
Helium Element Helium (Preview)	Physics News	8	4364	Sep 22 00:59 2012 by Blobrana
Helium is the talk of the party balloon industry these days, and it is not a discussion being carried out in high-pitched giggles. The second most plentiful element in the universe is suddenly in short supply on this planet, and that means soaring prices for a lot of things, balloons included. "...
Element Nobelium (Preview)	Physics News	0	1406	Feb 10 19:52 2010 by Blobrana
Precise mass measurement aids the hunt for heavy elements that decay slowly. Using a special trap, researchers have captured and weighed three isotopes of the superheavy element nobelium - the heaviest element so far to have its mass measured directly. The measurements are an important step towa...
Element Element 117 (Preview)	Physics News	1	1671	May 3 14:30 2014 by Blobrana
Scientists Discover Heavy New Element A team of Russian and American scientists has discovered a new element that has long stood as a missing link among the heaviest bits of atomic matter ever produced. The element, still nameless, appears to point the way toward a brew of still more massive element...
Element Tin (Preview)	Physics News	5	4101	Nov 22 03:20 2013 by Blobrana
Title: The magic nature of 132Sn explored through the single-particle states of 133Sn Authors: K. L. Jones, A. S. Adekola, D. W. Bardayan, J. C. Blackmon, K. Y. Chae, K. A. Chipps, J. A. Cizewski, L. Erikson, C. Harlin, R. Hatarik, R. Kapler, R. L. Kozub, J. F. Liang, R. Livesay, Z. Ma, B. H. Moazen, C...
Element Technetium (Preview)	Physics News	0	1476	Jun 5 18:14 2010 by Blobrana
Technetium is the chemical element with atomic number 43 and symbol Tc. It is the lowest atomic number element without any stable isotopes. Nearly all of technetium is produced synthetically and only minute amounts are found in nature. Naturally occurring technetium occurs as a spontaneous fiss...
Nuclear Element Americium-241 (Preview)	Physics News	3	3505	Nov 16 07:13 2012 by Blobrana
Americium-241 is the most prevalent isotope of americium in nuclear waste. It is the americium isotope used in smoke detectors based on ionisation chambers. It is a potential fuel for long-lifetime radioisotope thermoelectric generators. [url=http://en.wikipedia.org/wiki/Americium-2...
Element Element 114 (Preview)	Physics News	4	5271	Jun 1 05:43 2012 by Blobrana
Six New Isotopes of the Superheavy Elements Discovered A team of scientists at the U.S. Department of Energy's Lawrence Berkeley National Laboratory has detected six isotopes, never seen before, of the superheavy elements 104 through 114. Starting with the creation of a new isotope of the yet-to...
Element Rare earth element (Preview)	Chemistry	4	3041	Mar 25 08:34 2013 by Blobrana
As defined by IUPAC, rare earth elements or rare earth metals are a collection of seventeen chemical elements in the periodic table, namely scandium, yttrium, and the fifteen lanthanides. Scandium and yttrium are considered rare earth elements since they tend to occur in the same ore deposits as t...
Element Lawrencium (Preview)	Chemistry	1	1454	Feb 13 16:36 2012 by Blobrana
Lawrencium was first synthesised by the nuclear-physics team of Albert Ghiorso, Torbjørn Sikkeland, Almon Larsh, Robert M. Latimer, and their co-workers on February 14, 1961, at the Lawrence Radiation Laboratory (now called the Lawrence Berkeley National Laboratory) at the University of Cal...
Element Xenon (Preview)	Chemistry	2	2277	Jun 9 12:55 2017 by Blobrana
Earth's missing xenon could be hiding in quartz What's happened to the Earth's missing xenon? For decades scientists have known that the abundance of xenon is curiously lower than predicted from comparisons with the other noble gases. Yet they have been unable to determine why. Now chemists in Can...
Element Californium (Preview)	Chemistry	1	1631	Mar 17 07:15 2012 by Blobrana
Californium is a synthetic radioactive metallic chemical element in the actinide series with the symbol Cf and atomic number 98. Californium was first synthesized at the University of California, Berkeley by the physics researchers Stanley G. Thompson, Kenneth Street, Jr., Albert Ghiorso, an...
Element Gallium (Preview)	Chemistry	0	970	Aug 26 23:39 2011 by Blobrana
Gallium is a chemical element that has the symbol Ga and atomic number 31. Elemental gallium does not occur in nature, but as the gallium(III) salt in trace amounts in bauxite and zinc ores. Gallium was discovered spectroscopically by Paul Emile Lecoq de Boisbaudran in 1875 by its characteristic sp...
Element Roentgenium (Preview)	Chemistry	2	1785	Dec 8 07:36 2012 by Blobrana
Roentgenium is a synthetic radioactive chemical element with the symbol Rg and atomic number 111. It is placed as the heaviest member of the group 11 (IB) elements, although a sufficiently stable isotope has not yet been produced in a sufficient amount that would confirm this position as a heavier h...
Element Super-heavy elements (Preview)	Chemistry	1	1648	May 3 21:31 2017 by Blobrana
The World's most difficult chemical experiment: The struggle to discover the secret of super-heavy elements In order to find the chemical properties of super-heavy elements, chemists must conduct one of the world's most demanding chemical experiments in a matter of seconds. In this effort, the...
Element Iodine (Preview)	Chemistry	2	1508	Nov 29 07:49 2012 by Blobrana
Iodine was discovered by Bernard Courtois in 1811. Courtois gave samples to his friends, Charles Bernard Desormes (1777-1862) and Nicolas Clément (1779-1841), to continue research. He also gave some of the substance to chemist Joseph Louis Gay-Lussac (1778-1850), and to physicist André-Mari...
Element Francium (Preview)	Chemistry	2	1894	Jan 10 13:57 2014 by Blobrana
Francium is a chemical element with symbol Fr and atomic number 87. It was formerly known as eka-caesium and actinium K. It is one of the two least electronegative elements, the other being caesium, and is the second rarest naturally occurring element (after astatine). Francium is a highly radioac...
Element Tellurium (Preview)	Chemistry	0	1156	Feb 22 06:01 2012 by Blobrana
Tellurium detected for the first time in ancient stars. Nearly 13.7 billion years ago, the universe was made of only hydrogen, helium and traces of lithium - byproducts of the Big Bang. Some 300 million years later, the very first stars emerged, creating additional chemical elements throughout th...
Element Livermorium (Preview)	Physics News	0	1051	Jun 1 05:42 2012 by Blobrana
Element 116, livermorium, was first made in Dubna, Russia in July 2000. The work was a collaboration between science teams at the Joint Institute for Nuclear Research in Dubna and the Lawrence Livermore National Laboratory in California led by Yuri Oganessian and Ken Moody. [url=http://www.che...
Element Meitnerium (Preview)	Chemistry	0	981	Aug 29 05:45 2012 by Blobrana
Meitnerium was first synthesised on August 29, 1982 by a German research team led by Peter Armbruster and Gottfried Münzenberg at the Institute for Heavy Ion Research (Gesellschaft für Schwerionenforschung) in Darmstadt. The team bombarded a target of bismuth-209 with accelerated nuclei of ir...
Element Element 113 (Preview)	Physics News	2	1246	Jan 4 11:28 2016 by Blobrana
New 113th Element Has Been Discovered at RIKEN On July 23 at 18:55, an event that strongly confirmed the creation of the 113th element was observed by a research team directed by Dr. Kosuke Morita of RIKEN. For 80 days, the team bombarded a 209Bi target with an intense 70Zn beam from the "RILAC&qu...