1. Answers.com - Why Are The Periods In The Periodic Table Periodic The chemical properties of elements in the periodic table are similar to those elements in the same column (which, for example, is why all the halogens (17 / VIIA / 7A) behave http://wiki.answers.com/Q/Why_are_the_periods_in_the_periodic_table_periodic

2. Answers.com - What Is Another Name For The Rows In The Table Periodic Periodic Table question What is another name for the rows in the table periodic? The rows are also called periods. http://wiki.answers.com/Q/What_is_another_name_for_the_rows_in_the_table_periodi

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5. WebElements Periodic Table Of The Elements Interactive periodic table. Clicking on an element brings up a list of general properties and data, and information on its discovery, history, uses, geologic occurrence and http://webelements.com/

essential data and description WebElements WebElements: the periodic table on the web Posters T-shirts Games Mugs Home of the periodic table Elements Compounds Periodicity Chemistry Books (USA) ... Chemdex What do you want to know about the chemical elements? The essentials History Contents Uses ... Orbital properties Explore key information about the chemical elements through this periodic table Group Period H He Li Be ... Uuo *Lanthanoids La Ce Pr Nd ... Yb **Actinoids Ac Th Pa U ... No Element 117 discovered? A paper just published (5 April 2010) in Physical Review Letters by Yu. Ts. Oganessian and others claims the synthesis of a new element with atomic number 117. The abstract states "The discovery of a new chemical element with atomic number Z=117 is reported. The isotopes 117 and 117 were produced in fusion reactions between Ca and Physical Review Letters: element 117 preliminary publication element 117 leak WebElements Shop WapElements ... Chemputer WebElements: the periodic table on the WWW [ http://www.webelements.com/ Mark Winter The University of Sheffield WebElements Home ... Help

6. Periodic Table Periodic Table (alternate) Periodic Table (big) Periodic Table Periodic Table (alternate) Periodic Table (big) Canadian Gateway, Business Guides, Entertainment, Travel. Listing and reviews of Canadian Web sites. http://www.masterliness.com/a/Period.htm

var GLB_RIS='http://www.masterliness.com';var GLB_RIR='/cincshared/external';var GLB_MMS='http://www.masterliness.com';var GLB_MIR='/site/image';GLB_MML='/'; document.write(''); document.write(''); document.write(''); document.write(''); Science People Non User Locations ... Timeline A2('N'); Index: A B C D ... Z A3('s','.','htm','','N'); Home A period is an arbitrary interval of time . The word is applied to many different concepts: generally, in science , the time taken for one complete cycle of an alternating quantity. The period of oscillation of a wave is the time taken for the wave to complete one wavelength. Period is the reciprocal of the frequency . See amplitude wavelength simple harmonic motion in astronomy , Copernicus used period to refer to the time it takes a planet to complete one orbit . See orbital period in mathematics , the period of a function is the length of the interval over which it reappears. See periodic function in chemistry , the term period is often used to mean a periodic table period , a row of the periodic table. in geology to identify named timespans such as the Cretaceous The Cretaceous period is one of the major divisions of the geologic timescale, reaching from the end of the Jurassic period (about 135 mya) to the beginning of the Paleocene epoch of the Tertiary period (65 mya). The end of the Cretaceous also defines the

7. Chemical Portal - Chemistry Online Education Online chemistry tools, forums, unit converters, symmetry tables, periodic table and chemical constants. http://www.webqc.org/

8. Periodic Table - Wikipedia, The Free Encyclopedia The periodic table of the chemical elements (also periodic table of the elements or just the periodic table) is a tabular display of the chemical elements. http://en.wikipedia.org/wiki/Periodic_table

Periodic table From Wikipedia, the free encyclopedia Jump to: navigation search This article is about the periodic table of the elements. For the similarly-titled books, see The Periodic Table This article needs additional citations for verification Please help improve this article by adding reliable references . Unsourced material may be challenged and removed (October 2010) The periodic table of the chemical elements (also periodic table of the elements or just the periodic table ) is a tabular display of the chemical elements . Although precursors to this table exist, its invention is generally credited to Russian chemist Dmitri Mendeleev in 1869, who intended the table to illustrate recurring ("periodic") trends in the properties of the elements. The layout of the table has been refined and extended over time, as new elements have been discovered, and new theoretical models have been developed to explain chemical behavior. The periodic table is now ubiquitous within the academic discipline of chemistry , providing a useful framework to classify, systematize, and compare all of the many different forms of chemical behavior. The table has found many applications in chemistry, physics biology , and engineering , especially chemical engineering . The current standard table contains 118 elements to date. (elements Contents Structure Alternative versions Classification Groups ... External links Structure Group Period H He ... Lr This common arrangement of the periodic table separates the lanthanoids and actinoids (the f-block) from other elements. The

9. Periodic Table, Periodic Table Of Elements, Periodic Table Of The Elements Table theperiodic-table.org; periodic table, periodic table of elements, periodic table of the elements table, chemistry,elements,periodic table,science. A free resource for scientists http://www.eperiodictable.com/

Periodic Table Home About the Periodic Table Of Elements Site Map Periodic Table Directory This Is the Complete Periodic Table Of the Elements. Just Click On the Element You Wish To Explore: I II IIIb IVb Vb VIb VIIb VIIIb Ib IIb III IV V VI VII H He Li Be ... Uuh Lanthanides Ce Pr Nd Pm ... Lu Actinides Th Pa U Np ... Lr Additional Periodic Table Information: S ite map Here is a periodic table you can print The Clickable Periodic Table © 2001 - 2008 by ePeriodicTable.com We need your help! ePeriodicTable.com was designed to be a free resource meant to promote the understanding of chemistry, and be a useful reference tool for researchers, students and scientists around the world. We do not charge for anything on this website but you can support us tremendously by putting a link on your website to us. You can copy and paste this code for a link to us: <a href="http://www.eperiodictable.com">periodic table</a> We are very grateful for your support! Authoritative Internet Resources: A wholesale distributor of unique and natural wholesale products and health products, like a

10. Selected Classic Papers From The History Of Chemistry Historically important papers in the fields of Atomic hypothesis and discrete nature of matter Electricity, electrochemistry, and electrolyte solutions The electron and electronic structure of matter Elements nature, number, and discovery Environmental chemistry Gases Periodic table and periodic law Radioactivity and the nucleus Thermodynamics http://web.lemoyne.edu/~giunta/papers.html

Selected Classic Papers from the History of Chemistry The following papers from the history of chemistry are available as html files. Many are seminal papers in their fields. Some are interesting curiosities. Papers are arranged by subject below, or alphabetically Most of the entries reside either at the Classic Chemistry site at Le Moyne College or on the historical papers section of John Park's ChemTeam site. Links to classic papers outside the Classic Chemistry site are clearly credited. Analytical, instrumental, and spectroscopic techniques Atomic hypothesis and discrete nature of matter Biochemistry Bonding and Structure ... Others Analytical, instrumental, and spectroscopic techniques Gustav Kirchhoff and Robert Bunsen (1860): bright-line flame spectra (applied to alkali metals and alkaline earths). This paper is at the ChemTeam site. (Link to biographical data on Bunsen and Kirchhoff Chandrasekhara V. Raman and K. S. Krishnan : 1928 paper on the Raman effect (posted by Jim Holler , Department of Chemistry, University of Kentucky). View a biographical sketch of Raman.

11. The Wooden Periodic Table Table The Wooden Periodic Table Table by Theodore Gray Buy a copy of my new book THE ELEMENTS or a photo periodic table poster or card deck! http://www.theodoregray.com/PeriodicTable/

The Wooden Periodic Table Table Yes, it really is a table. What How Why Newest Samples! Updated 13 January, 2010. Visit my other Periodic Table Website at the best possible most amazingly great URL, periodictable.com Current count: samples elements minerals stories ... Buy my beautiful photo periodic table Notable Links My photographic periodic table poster The Brainiac Fiasco. My museum displays and element sales My Popular Science column My 2002 Ig Nobel Prize in Chemistry. Oliver Sacks came to visit Making hydrogen at home Buy a copy of my new book THE ELEMENTS or a photo periodic table poster or card deck Posters up to four and half feet wide, laminiated place mats, 3D prints, and now a huge card deck! "Extraordinarily lovely. A wonderful job both scientifically and artistically." poster customer Size: Samples: None Neatest Newest Poster Woodgrain ... Rollovers Click any element to see more. What is this thing anyway? This website documents, in great depth, a large collection of chemical elements and examples of their applications, common and uncommon. Click any element tile above and you will find probably more than you ever wanted to know about that element. All these samples (well, at least the ones that fit) are stored in a wooden periodic table, by which I mean a physical table you can actually sit at, in my office at Wolfram Research I decided to build this table by accident in early 2002, as a result of a misunderstanding while reading

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The Georgian Index Welcome Welcome to our front door. Select your favorite knocker to enter. Warning ... This page is graphics intensive ; if you are not feeling patient today view our text only site map. Visit the Napoleonic Front Door New Recent Salty Language Rents and Income Vice-Admiral Nelson's Funeral Barging Down the Mississippi ... American Front Door Coming Soon! More American pages Try Something New Try a English Cheeses Sample some Tea Put it in a chintz tea set Buy an English Garden Calendar Read a series of articles on stroke related topics by one of our contributors. Try Some Regency Fantasies His Majesty's Dragon (Temeraire, Book 1) by Naomi Novik Throne of Jade (Temeraire, Book 2) by Naomi Novik Black Powder War (Temeraire, Book 3) by Naomi Novik Empire of Ivory (Temeraire, Book 4) by Naomi Novik [Peter Jackson has recently purchased an option on the movie rights to these books.] Try Some Regency mysteries: What Angels Fear by C.S. Harris When Gods Die by C.S. Harris Why Mermaids Sing by C.S. Harris

14. The Photographic Periodic Table Of The Elements The definitive online periodic table reference site including technical data, and photographs and descriptions of thousands of samples of the chemical elements. http://periodictable.com/

Click any element below to see more. Newest samples 9 February, 2010 What you'll find on this site My Popular Science Column Buy Posters, Card Decks and Books! If you like this website you'll love my books The Elements and Mad Science Don't miss the most Beautiful periodic table posters and card decks plus real elements and displays from the creators of this site. About Us Students Teachers Scientists ... The Wooden Periodic Table Table Website created with Mathematica Sponsored by

15. How Is The Periodic Table Periodic? | ChaCha Answers How is the periodic table periodic? ChaCha has the answer At first, the ordering of the elements was based on atomic weightthe weight of a single atom of http://www.chacha.com/question/how-is-the-periodic-table-periodic

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18. YouTube - Astronomer's Periodic Table - Periodic Table Of Videos An astronomer shows us why the periodic table is much simpler through his eyes. More about the creation of the elements at http//www.youtube.com/watch?v=nhhdkY http://www.youtube.com/watch?v=6akrRznGgDc

19. A Periodic Table Of The Elements At Los Alamos National Laboratory The Chemistry Division's Periodic Table describes the history, properties, resources, uses, isotopes, forms, costs, and other information for each element. http://periodic.lanl.gov/default.htm

Los Alamos National Laboratory's Chemistry Division Presents: A Resource for Elementary, Middle School, and High School Students Period Group** IA V IIIA H IIA IIIA IVA VA VIA VIIA He Li Be B ... Mg IIIB IVB VB VIB VIIB IB IIB Al Si P S ... Ar - VIII - K Ca Sc Ti ... Rg Cn Uut Uuq Uup Uuh Uus Uuo Lanthanide Series* Ce Pr Nd Pm ... Lu Actinide Series~ Th Pa U Np ... Lr ** Groups are noted by 3 notation conventions. Downloads Get Adobe Acrobat Reader for free Last Updated: about this resource LANL Chemistry Division DOE

20. Chemistry 402: Organization Of The Periodic Table Blank Periodic Table Periodic Table Puzzles. Need Help? GBP Education offers this video to Georgia Educators at no charge via the GPB Streaming site . For others who are interested http://www.gpb.org/chemistry-physics/chemistry/402

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