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Topic: Periodic table (text only)

	Periodic table - Wikipedia, the free encyclopedia
		The periodic table of the chemical elements is a tabular method of displaying the chemical elements, first devised in 1869 by the Russian chemist Dmitri Mendeleev.
		The periodic table is now ubiquitous within the academic discipline of chemistry, providing an extremely useful framework to classify, systematize and compare all the many different forms of chemical behavior.
		A period is a horizontal row in the periodic table of the elements.
	en.wikipedia.org /wiki/Periodic_table (2224 words)

	Encyclopedia :: encyclopedia : Periodic table (Site not responding. Last check: 2007-10-12)
		The periodic table of the chemical elements, also called the Mendeleev periodic table, is a tabular display of the known chemical elements.
		A group is a vertical column in the periodic table of the elements.
		Despite their similarities in mass (only a few atomic mass units), they have extremely different properties, as can be seen by looking at their allotropes: diatomic oxygen is a gas that supports burning, diatomic nitrogen is a gas that does not support burning, while carbon is a solid which can be burned.
	www.hallencyclopedia.com /Periodic_table (1494 words)

	Learn more about Periodic table in the online encyclopedia. (Site not responding. Last check: 2007-10-12)
		The periodic table of the chemical elements is a display of known chemical elements, arranged by electron structure so that many chemical properties vary regularly across the table.
		And here is the periodic table for magnetic resonance.
		Despite their dramatic differences in mass within the group, their allotropes have very similar properties: They are all highly corrosive (meaning they combine readily with metals to form metal halide salts); chlorine and fluorine are gases, while bromine is a very low-boiling liquid; chlorine and bromine at least are highly colored.
	www.onlineencyclopedia.org /p/pe/periodic_table_1.html (625 words)

	periodic tables - 3rd table (Site not responding. Last check: 2007-10-12)
		PERIODIC TABLE OF THE ELEMENTS Atomic # and Element : Atomic Weight : Density (Specific Gravity) : Orbital : Electron Shells...
		ChemGlobe - Periodic Table of the Elements - Printable periodic...
		The periodic table (125 links) General purpose sites, History of the periodic table, Java periodic tables...
	table.yummack.info /dir14/periodic-tables.html (282 words)

	ScienceDaily: Matter & Energy -- Chemistry News (Site not responding. Last check: 2007-10-12)
		Metal -- A metal is an element that readily forms ions (cations) and has metallic bonds, and metals are sometimes described as a lattice of positive ions (cations) in a cloud of...
		Hydrocarbon -- In chemistry, a hydrocarbon is any chemical compound that consists only of the elements carbon (C) and hydrogen (H).
		The most successful first edition General Chemistry text published in the last decade, CHEMISTRY: THE MOLECULAR SCIENCE continues in this new edition to emphasize the traditional core concepts...
	www.sciencedaily.com /directory/Science/Chemistry/Periodic_Table (1170 words)

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