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Topic: Ionic


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In the News (Wed 11 Nov 09)

  
  Ionic order - Wikipedia, the free encyclopedia
The Ionic order originated in the mid-6th century BC in Ionia, the southwestern coastland and islands of Asia Minor settled by Ionian Greeks, where an Ionian dialect was spoken.
A longer-lasting 6th century Ionic temple was the Temple of Artemis at Ephesus, one of the Seven Wonders of the World.
The capital of the Ionic column has characteristic paired scrolling volutes that are laid on the molded cap ("echinus") of the column, or spring from within it.
en.wikipedia.org /wiki/Ionic_order   (841 words)

  
 Ionic - Wikipedia, the free encyclopedia
In Greek and Latin prosody, an Ionic foot is a foot that consists of two long syllables followed by two short (major or greater ionic) or two short followed by two long (minor or smaller ionic).
An Ionic metre is a metre that consists of Ionic feet.
In typography, Ionic type is a typeface distinguished by prominent serifs and a high degree of legibility.
en.wikipedia.org /wiki/Ionic   (294 words)

  
 Ionic order - Open Encyclopedia   (Site not responding. Last check: 2007-10-07)
The first of the great Ionic temples, though it stood for only a decade before an earthquake levelled it, was the Temple of Hera on Samos, built about 570 - 560 BCE by the architect Rhoikos.
This feature of the Ionic order made it more pliant and satisfactory than the Doric to critical eyes in the 4th century BCE: angling the volutes on the corner columns, ensured that they "read" equally when seen from either front or side facade.
Ionic columns are most often fluted: Inigo Jones introduced a note of sobriety with plain Ionic columns on his Banqueting House at Whitehall Palace, London (q.v.
open-encyclopedia.com /Ionic_order   (885 words)

  
 Ionic | hydroponic nutrients
Ionic Bloom 2.5 gallons - IONIC nutrients are single pack solutions for hydroponic cultivation and represent a major breakthrough in the technology of soilless cultivation.
Ionic Bloom 5 gallons - IONIC nutrients are single pack solutions for hydroponic cultivation and represent a major breakthrough in the technology of soilless cultivation.
Ionic Bloom gallon - IONIC nutrients are single pack solutions for hydroponic cultivation and represent a major breakthrough in the technology of soilless cultivation.
www.indoorbuds.com /products.php?cat=38   (592 words)

  
 Faster, Better, Cleaner?: Science News Online, Sept. 8, 2001   (Site not responding. Last check: 2007-10-07)
Ionic liquids, by comparison, are made of positively and negatively charged ions—much the way table salt, sodium chloride, contains crystals made of positive sodium ions and negative chlorine ions, not molecules.
Ionic liquids may be a hot topic for chemists now, but when they were first studied they were literally hotter.
The earliest ionic liquids in the literature were probably created unintentionally in the late 19th century, says John S. Wilkes, a chemist at the U.S. Air Force Academy in Colorado Springs, Colo. He's found references to a red oil, probably an ionic liquid, that appeared during certain reactions.
www.sciencenews.org /articles/20010908/bob10.asp   (2408 words)

  
 Ionic Compounds
Ionic compounds are generally formed from metal and a non-metal elements.
An ionic compound results from the interaction of a positive and negative ion, such as sodium and chloride in common salt.
The IONIC BOND results as a balance between the force of attraction between opposite plus and minus charges of the ions and the force of repulsion between similar negative charges in the electron clouds.
www.elmhurst.edu /~chm/vchembook/143Aioniccpds.html   (456 words)

  
 Ionic liquids   (Site not responding. Last check: 2007-10-07)
Ionic liquids are usually associated with high-temperature processes: the extraction of aluminium from bauxite for example.
This is because ionic substances like common salt are made of two very small ions with opposite electrical charges (sodium and chloride in salt's case).
But low-temperature ionic fluids are very new and remain a mystery to even experienced organic chemists and chemical engineers.
www.nature.com /nsu_new/000608/000608-15.html   (686 words)

  
 AllRefer.com - Ionic order (Architecture) - Encyclopedia   (Site not responding. Last check: 2007-10-07)
The spreading scroll-shaped capital is the distinctive feature of the Ionic order; it was primarily a product of Asia Minor, where early embryonic forms of this capital have been found.
Greek Ionic columns are of slender proportion, their height being generally about nine times the column's lower diameter; the order is always used with a base.
A cap of this type, with corner volutes, was developed by the Italian Renaissance architect Scamozzi into a design bearing his name; variations of it were widely used during the Renaissance and in subsequent periods, particularly the baroque.
reference.allrefer.com /encyclopedia/I/Ionicord.html   (417 words)

  
 Notes on Ionic Bonding
The difference between strong and weak electrolytes is the extent to which the ionic compounds dissociate into ions when placed in water.
In the real world ionic compounds don't actually exist as ion-pairs which were formed from naturally occurring gaseous atoms.
Therefore, the reaction of the solid sodium atoms and the diatomic chlorine gas molecule to form the ionic solid sodium chloride can be broken down into 5 steps.
www.chem.vt.edu /RVGS/ACT/notes/Notes-Chapter_10.html   (541 words)

  
 Ancient Greek Art & Architecture
The eastern portico, hexastyle Ionic, gave access to the shrine of Athena, which was separated by a partition from the western cella.
The west end of the building, with windows and engaged Ionic columns, is a modification of the original, built by the Romans when they restored the building.
With Ionic columns reaching 19.5 m (64 ft) high, these ruins suggest the former grandeur of the ancient temple.
www.ancientgreece.com /art/art.htm   (832 words)

  
 IONIC - Definition   (Site not responding. Last check: 2007-10-07)
(Arch.) Pertaining to the Ionic order of architecture, one of the three orders invented by the Greeks, and one of the five recognized by the Italian writers of the sixteenth century.
The Homeric poems are written in what is designated old Ionic, as distinguished from new Ionic, or Attic, the dialect of all cultivated Greeks in the period of Athenian prosperity and glory.
{Ionic}, or {Ionian}, {mode} (Mus.), an ancient mode, supposed to correspond with the modern major scale of C.
www.hyperdictionary.com /dictionary/ionic   (246 words)

  
 Ionic Hair -- Recommendations and Resources   (Site not responding. Last check: 2007-10-07)
So, ''Ionic'' means "of or pertaining to" the ''Ionian'' people of the first item, and "of or pertaining to" the region ''Ionia'' of the second item.
The latter ''Ionic'' items are also related to the people and region of the first two items, as, for instance, the Ionic order is from those people, and the definition of ''Ionian'' in the first item is somewhat important for grouping the latter items.
Ionic Greek was a sub-dialect of the so called Attic-Ionic dialectal group of the Ancient Greek (see Greek dialects).
www.becomingapediatrician.com /health/80/ionic-hair.html   (1632 words)

  
 Chemical Bonds
Ionic bond: bond in which one or more electrons from one atom are removed and attached to another atom, resulting in positive and negative ions which attract each other.
Typical of ionic bonds are those in the alkali halides such as sodium chloride, NaCl.
Ionic bonding can be visualized with the aid of Lewis diagrams.
hyperphysics.phy-astr.gsu.edu /hbase/chemical/bond.html   (698 words)

  
 Magnesium dietary supplement in Ionic Liquid form.
Liquid Ionic Magnesium is in the form every body will be able to absorb and being in Ionic form means there is a much higher probability it will get absorbed when taken orally.
Absorption is the key word and ionic is the key word associating itself to absorption, especially in the case of magnesium.
Ionic Liquid Magnesium is a product that provides magnesium in an ionic solution in water which provides a high assimilable, effective, fast acting supplement.
www.ionicmagnesium.com   (2491 words)

  
 Ionic Bonding   (Site not responding. Last check: 2007-10-07)
The formation of ionic compounds (like the addition of sodium metal and chlorine gas to form NaCl) are usually extremely exothermic.
The minimum distance between oppositely charged ions is the sum of the atomic (ionic) radii.
Thus, sodium is present in ionic compounds as Na and not Na Likewise, adding an electron to fill a valence shell (and achieve noble gas electron configuration) is exothermic or only slightly endothermic.
wine1.sb.fsu.edu /chm1045/notes/Bonding/Ionic/Bond02.htm   (689 words)

  
 Ionic liquids
In the last few years a new research area has emerged called “ionic liquids.”  These are solvents composed of chemical compounds carrying ionic charges.
  While ionic liquids, as molten salts, have been known for centuries, and even organic ionic liquids have been known for the last hundred years, their use as novel solvent systems has only been investigated since the early 1980's.
Ionic liquids have been shown to be excellent reaction mediums for Diels-Alder reactions with a variety of compounds.
oregonstate.edu /~simonsej/RTIL.htm   (569 words)

  
 CHEMTUTOR COMPOUNDS   (Site not responding. Last check: 2007-10-07)
An ionic compound is a group of atoms attached by an ionic bond that is a major unifying portion of the compound.
The name of an ionic compound is the name of the positive ion (cation) first and the negative (anion) ion second.
There is a range of bond between purely ionic and purely covalent that depends upon the electronegativity of the atoms around that bond.
www.chemtutor.com /compoun.htm   (4889 words)

  
 Room Temperature Ionic Liquids
Ionic liquids provide a medium which appears to be capable of dissolving a vast range of inorganic (and some organic) molecules to high concentrations.
Ionic liquids are possessed of a number of properties which may be of importance in their application as extractive media in liquid/liquid extraction processes.
Several ionic liquids are known which are neither air or water sensitive or miscible with water, thus enabling the concept of liquid/liquid extraction from aqueous media.
bama.ua.edu /~rdrogers/webdocs/ionicliquids.html   (576 words)

  
 Ionic
Ionic Boost is a supplement designed to promote heavy flowering and should be used in conjunction with Ionic Bloom or with any other full spectrum "bloom" nutrient solution.
Ionic Boost is specially formulated to deliver the key elements Phosphorous (P) and Potassium (K) in a form that is instantly accessible to the plant.
Ionic contains all the essential trace elements and is formulated to the highest professional specifications.
www.simplyhydroponics.com /ionic.htm   (207 words)

  
 IONIC FUSION --- This Changes Everything!   (Site not responding. Last check: 2007-10-07)
Ionic Fusion Corporation caught the judges’ attention with its capability of impregnating tissue paper with titanium.
Case studies from Ionic Fusion Corporation's customers such as Intel, Chevron, Phillips and Motorola were reviewed as examples of industrial applications of the new technology, although each Ionic Fusion Corporation customer solution is custom designed.
The Ionic Plasma Deposition Process technology also facilitates the development of new products including applications in fuel cells, batteries, medical devices, tools and dies, printed circuits, aerospace coatings, and a broad range of other applications where traditional methods exhibit inadequate performance.
www.ionicfusion.com /press.htm   (1173 words)

  
 ionic structures   (Site not responding. Last check: 2007-10-07)
Sodium chloride is taken as a typical ionic compound.
Ionic substances all have high melting and boiling points.
It depends on whether there are big enough attractions between the water molecules and the ions to overcome the attractions between the ions themselves.
www.chemguide.co.uk /atoms/structures/ionicstruct.html   (1038 words)

  
 Supported Ionic Liquid Catalysis - A New Concept for Homogeneous Hydroformylation Catalysis   (Site not responding. Last check: 2007-10-07)
The new concept of supported ionic liquid catalysis involves the surface of a support material that is modified with a monolayer of covalently attached ionic liquid fragments.
Supported ionic liquid catalysis combines the advantages of ionic liquid media with solid support materials which enables the application of fixed-bed technology and the usage of significantly reduced amounts of the ionic liquid.
C), neither free nor coordinated tppts ligand was observed in the ionic liquid [bmim][PF To increase solubility of the ligand tppts, the sodium cation was exchanged with 1-butyl-3-methyl-imidazolium chloride to form tppti.
pubs.acs.org /cgi-bin/jcen?jacsat/124/i44/html/ja0279242.html   (1687 words)

  
 Ionic Breeze
Being that the Ionic Breeze machines pass such a small amount of air, they are very inefficient at cleaning the air in a room, much less a home.
Therefore the Ionic Breeze cannot be used to sanitize personal items or rooms, nor can it be used to kill bacteria or mold in affected areas.
The top-of-the-line Ionic Breeze model adds the use of ultra violet light to destroy the DNA of microorganisms such as mold and bacteria.
www.residentialinspections.com /id75.htm   (739 words)

  
 Ionic Liquids   (Site not responding. Last check: 2007-10-07)
Ionic liquids are salts that are liquid at ambient temperatures.
Unlike traditional solvents that can be described as molecular liquids, ionic liquids are composed of ions.
SACHEM has the unique capability to produce three classes of compounds and is dedicated to making ionic liquids systems available to the industry in bulk quantity.
www.sacheminc.com /othermarkets/group/ionicliquids.php   (177 words)

  
 : Ionic Bonding, review at WorldSSP.net   (Site not responding. Last check: 2007-10-07)
Bond and Molecular Polarity Ionic Bonds As a metal and a non-metal approach one another, the valence electrons interact and the metal (indicated by the red sphere) transfers its valence electrons to the non-metal (indicated by the blue sphere).
IONIC (ELECTROVALENT) BONDING This page explains what ionic (electrovalent) bonding is. It starts with a simple picture of the formation of ions, and then modifies it slightly for A'level purposes.
Ionic Bonding In ionic bonding, metal atoms lose electrons and non-metal atoms gain electrons to form ions, which are then held together by strong electrostatic interactions.
www.worldssp.net /webinfo_l.asp?proid=12384   (459 words)

  
 ionic (electrovalent) bonding   (Site not responding. Last check: 2007-10-07)
This page explains what ionic (electrovalent) bonding is. It starts with a simple picture of the formation of ions, and then modifies it slightly for A'level purposes.
At a simple level (like GCSE) a lot of importance is attached to the electronic structures of noble gases like neon or argon which have eight electrons in their outer energy levels (or two in the case of helium).
The ionic bonding is stronger than in sodium chloride because this time you have 2+ ions attracting 2- ions.
www.chemguide.co.uk /atoms/bonding/ionic.html   (1056 words)

  
 Chemical Bonding   (Site not responding. Last check: 2007-10-07)
The melting and boiling points of ionic compounds are high because a large amount of thermal energy is required to seperate the ions which are bound by strong electrical forces.
Solid ionic compounds do not conduct electricity when a potential is applied because there are no mobile charged particles.
Most ionic compounds are hard; the surfaces of their crystals are not easily scratches.
users.senet.com.au /~rowanb/chem/chembond.htm   (998 words)

  
 Rationalization of 'Ionic' Structures
Goldschmidt's structural principles for IONIC crystals were summarized by Pauling in a series of Rules.
The cation-anion distance is regarded as the sum of the ionic radii.
In a stable ionic structure the charge on an ion is balanced by the sum of electrostatic bond strengths to the ions in its coordination polyhedron
www.chem.ox.ac.uk /icl/heyes/structure_of_solids/Lecture3/Lec3.html   (1107 words)

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