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Latest Periodic table Stories

2013-11-10 23:01:36

“2013 Market Research Report on Global and China Tin Plate Industry” and “2013 Market Research Report on Global and China Rare Earth Polishing Powder Industry” are new market research

2013-11-05 23:27:03

An Arkansas InventHelp client has invented the OX-IV, which is being submitted to companies for review. Pittsburgh, PA (PRWEB) November 05, 2013 Hospital

2013-10-11 23:23:36

d’Oliveira & Associates has posted a new informational graphic that describes the risks associated with beryllium exposure.

2013-10-11 23:04:59

The WHO-HCWH Global Initiative for Mercury-Free Health Care will support health professionals, hospitals, health systems and ministries of health as they seek to implement the Minamata Convention.

2013-10-02 23:31:09

Southland Sensing Ltd., is pleased to announce the OMD-501 Trace Oxygen Analyzer for measuring parts-per-million (PPM) O2 in an inert gas purifier.


Latest Periodic table Reference Libraries

16_ecfbd00eb300b269b02b7b3bf0360dc6
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...

28_d4102ec3fa58ab4ec89b14854e71f081
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...

28_10ceb8296ebfb3e40dca86f5bf25f165
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
lahar
  • A volcanic mudflow.
The word 'lahar' comes from Javanese.
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