Latest Periodic table Stories

2013-05-13 23:20:31

Lucintel´s Analysis of Global Nitrogen Fertilizer Industry: Market Expected to Reach $109.83 Billion in 2017 Irving, Texas (PRWEB) May 13, 2013 The global nitrogen fertilizer market is forecast to reach an estimated US $109.83 billion in 2017 with good progress over the next five years. Global population growth and insufficiently nutritious diets are the major concerns in emerging countries. These issues drive the application of nitrogen fertilizer, and are leading the industry to...

2013-05-09 23:35:43

Consumer cell phone and electronics recycler Trent Silver offers his analysis of the recent New York Times story on May 4th 2013, regarding toxic landfills that children pile into "mountains" in impoverished regions, burning them and extracting metals such as copper, gold, silver and toxic cadmium, as well as shocking new reports by the World Health Organization. New York, New York (PRWEB) May 08, 2013 Consumer cell phone and electronics recycler Trent Silver offers his analysis of the...

Urine, Hair Samples Overestimate Mercury Exposure From Dental Fillings
2013-03-21 10:37:02

April Flowers for redOrbit.com - Your Universe Online A new study from the University of Michigan reveals that a common test currently used to determine mercury exposure from dental amalgam fillings may significantly overestimate the amount of toxic metal released from fillings. Although scientists agree that mercury vapor is released into the mouth by dental amalgam fillings, the amount released remains controversial, as does the question of the health risk posed by this release....

Latest Periodic table Reference Libraries

2009-07-09 17:04:18

Actinium is a radioactive chemical element. The symbol for Actinium is Ac and the atomic number is 89. Actinium was discovered in 1899 by French chemist André-Louis Debierne. It was the first non-primordial radioactive element to be isolated. Actinium is amongst a group of 15 similar elements within the periodic table that make up the actinoid series. This substance was also independently discovered by Friedrich Oskar Giesel in 1902 and named it emanium in 1904. In 1904 he named it...

2005-05-26 10:53:59

Germanium is a chemical element in the periodic table that has the symbol Ge and atomic number 32. This is a lustrous, hard, silver-white, metalloid that is chemically similar to tin. Germanium forms a large number of organometallic compounds and is an important semiconductor material used in transistors. Notable characteristics Germanium is a hard, grayish-white element that has a metallic luster and the same crystal structure as diamond. In addition, it is important to note that...

2005-05-25 18:46:47

A rare earth is an oxide of a rare earth element. Often rare earth elements themselves are loosely called "rare earths". As to exactly what is a "rare earth" element is a matter of some ambiguity. The narrowest definition restricts it to the lanthanides, which are lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, and lutetium. Sometimes the radioactive actinides are included, so that all elements...

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Word of the Day
  • In music, a work for a keyboard-instrument, like the pianoforte or organ, originally intended to utilize and display varieties of touch: but the term has been extended so as to include many irregular works, similar to the prelude, the fantasia, and the improvisation.
This word is Italian in origin, coming from the feminine past participle of 'toccare,' to touch.