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In chemistry, a molecule is called a sufficiently stable, electrically neutral group of at least two atoms in a definite arrangement held together by very strong (covalent) chemical bonds.


Molecules are distinguished from polyatomic ions in this strict sense. In organic chemistry and biochemistry, the term molecule is used less strictly and also is applied to charged organic molecules and biomolecules.

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Media Molecule - we make games.

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usefulchem-molecules

One molecule per post. Use automation to process whenever possible. ... PURPOSES, AS LONG AS ATTRIBUTION IS MADE TO THE RELEVANT POSTS IN THIS BLOG. ...usefulchem-molecules.blogspot.com/

twisted molecule's blog | dark.za.org

twisted molecule's blog. Ping. Wed, 2007-08-29 22:51 — twisted molecule ... Tue, 2007-05-22 18:55 — twisted molecule ... Mon, 2007-03-12 18:02 — twisted molecule ...dark.za.org/blog/6

Useful Chemistry: new blog for molecules

new blog for molecules. I have created a new blog at usefulchem-molecules.blogspot.com. The aim of this blog is to keep track of information on the compounds we ...usefulchem.blogspot.com/2005/11/new-blog-for-molecules.html

Media Molecule — Blogs, Pictures, and more on WordPress

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Wikipedia About Molecule

Atisane3.png

In chemistry, a molecule is called a sufficiently stable, electrically neutral group of at least two atoms in a definite arrangement held together by very strong (covalent) chemical bonds.


Molecules are distinguished from polyatomic ions in this strict sense. In organic chemistry and biochemistry, the term molecule is used less strictly and also is applied to charged organic molecules and biomolecules.

In the kinetic theory of gases the term molecule is often used for any gaseous particle regardless of its composition. According to this definition noble gas particles are considered molecules despite the fact that they are composed of a single non-bonded atom.

A molecule may consist of atoms of the same chemical element, as with oxygen (O2), or of different elements, as with water (H2O). Atoms and complexes connected by non-covalent bonds such as hydrogen bonds or ionic bonds are generally not considered single molecules.

No typical molecule can be defined for ionic crystals (salts) and covalent crystals (network solids), although these are often composed of repeating unit cells that extend either in a plane (such as in graphite) or three-dimensionally (such as in diamond or sodium chloride). The theme of repeated unit-cellular-structure also holds for most condensed phases with metallic bonding. In glasses (solids that exist in a vitreous disordered state), atoms may also be held together by chemical bonds without any definable molecule, but also without any of the regularity of repeating units that characterises crystals.

Molecular science

The science of molecules is called molecular chemistry or molecular physics, depending on the focus. Molecular chemistry deals with the laws governing the interaction between molecules that results in the formation and breakage of chemical bonds, while molecular physics deals with the laws governing their structure and properties. In practice, however, this distinction is vague. In molecular sciences, a molecule consists of a stable system (bound state) comprising two or more atoms. Polyatomic ions may sometimes be usefully thought of as electrically charged molecules. The term unstable molecule is used for very reactive species, i.e., short-lived assemblies (resonances) of electrons and nuclei, such as radicals, molecular ions, Rydberg molecules, transition states, van der Waals complexes, or systems of colliding atoms as in Bose-Einstein condensates.

History and Etymology

main: History of the molecule

According to Merriam-Webster and the Online Etymology Dictionary, the word "molecule" derives from the Latin "moles" or small unit of mass.

  • Molecule (1794) - "extremely minute particle," from Fr. molécule (1678), from Mod.L. molecula, dim. of L. moles "mass, barrier". A vague meaning at first; the vogue for the word (used until late 18th century only in Latin form) can be traced to the philosophy of Descartes.

Search results for Molecule

molecule - definition of molecule by the Free Online Dictionary ...

Information about molecule in the free online English dictionary and encyclopedia. ... coenzyme - a small molecule (not a protein but sometimes a vitamin) essential ...www.thefreedictionary.com/molecule

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What is a molecule? ... A molecule is what you get when any atoms join together. ... What is the difference between a compound and a molecule? ...education.jlab.org/qa/molecule_01.html

Molecular Cell

Offers access to articles for subscribers or to summaries for registered users.www.molecule.org/

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molecule. The Columbia Encyclopedia, Sixth Edition. 2001-07

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MFMC: Series Utah weekend summary 2009-05-19

Motorsport.comCalifornia rocket ship Chuck Hulse brought his #12 Silicon Salvage sponsored Pro Mazda into victory lane again this weekend at round six of the Molecule Formula Mazda Challenge at Miller Motorsports Park. Series sponsor Michael Guasch, who is only doing a partial MFMC schedule, was in for this event and as usual was in contention for the top spot having out qualified Hulse earlier in the day.http://motorsport.com/news/article.asp?ID=328655&FS=

XBL Enhances Key Services and Expands With New Laboratory in China

GlobeNewswire via Yahoo! FinancePLAINSBORO, N.J., May 19, 2009 -- XenoBiotic Laboratories continues to enhance its core services in the bioanalytical and ADME areas with the addition of a large molecule bioassay/cell-based assay group, Debra LIMS, QWBA and in-house NMR services.http://biz.yahoo.com/pz/090519/165761.html

Array BioPharma gets $40M funding commitment

AP via Yahoo! FinanceBiotechnology company Array BioPharma Inc. said Tuesday it received a commitment for another $40 million in funding from one of its largest shareholders.http://biz.yahoo.com/ap/090519/us_array_biopharma_funding.ht...

Green Tea Ingredient Blocks HIV Infection

MedicineNet.comTitle: Green Tea Ingredient Blocks HIV Infection Category: Health News Created: 5/19/2009 Last Editorial Review: 5/19/2009http://www.medicinenet.com/guide.asp?s=rss&k=DailyHealth&a=1...

International Team Tracks Clues To HIV

redOrbitRice's Barron part of group seeking molecular key to halting virusRice University's Andrew Barron and his group, working with labs in Italy, Germany and Greece, have identified specific molecules that could block the means by which the deadly virus spreads by taking away its ability to bind with other proteins.Using computer simulations, researchers tested more than 100 carbon fullerene, or ...http://www.redorbit.com/news/health/1691856/international_te...

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Array BioPharma (ARRY) Receives Additional $40 Million Funding ...

StreetInsider.comTogether with existing capital, these funds will be available to advance Array's deep pipeline of wholly owned small molecule drug programs in development. In connection with Array's right to draw the additional funds, Deerfield will receive a ... http://www.streetinsider.com/Corporate+News/Array+BioPharma+...

Array BioPharma Receives Additional $40 Million Funding Commitment

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VELCADE® (Bortezomib) for Injection and Pipeline Data to Be ...

Genetic Engineering News ... be presented on three Millennium oncology pipeline products, including MLN8237, an oral compound designed to selectively inhibit Aurora A kinase, discovered and developed by Millennium scientists; and MLN4924, a small molecule ... http://www.genengnews.com/news/bnitem.aspx?name=54818447

Atlantis astronauts release Hubble Space Telescope

Xinhua News Agency ... are determining the age of the universe (13.7 billion years); finding that virtually all major galaxies have black holes at their center; discovering that the process of planetary formation is relatively common; detecting first ever organic molecule ... http://news.xinhuanet.com/english/2009-05/19/content_1140312...

JDC MotorSports Utah race notes

Motorsport.comLara (No. 19 MLD/ATW/Molecule/Red Line Oil/JDC MotorSports) and Ardoin, having recovered from his late race problem, made it four JDC drivers in the top-six, finishing fifth and sixth. Guasch, in what was an entertaining battle for top honors in the ... http://www.motorsport.com/news/article.asp?ID=328621&FS=

Search results for Molecule

Molecule - MSN Encarta

Molecule, smallest unit of a substance that shows all the chemical properties of that substance. A molecule is a group of atoms that are bound tightlyhttp://encarta.msn.com/encyclopedia_761563983/Molecule.html

What is the difference between a compound and a molecule?

Return to the Atoms, Elements and Molecules Index Page | What is the difference between a compound and a molecule? A molecule is formed when two or more atoms join together ... http://education.jlab.org/qa/compound.html

molecule

Simple explanation of molecule in the framework of the history of the Universehttp://www.historyoftheuniverse.com/molecule.html

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Molecule - Simple English Wikipedia, the free encyclopedia

A molecule is the smallest amount of a chemical substance that can exist. If a molecule were split into smaller pieces, it would be a different substance.http://simple.wikipedia.org/wiki/Molecule

Wikipedia results for Molecule

Molecule - Wikipedia, the free encyclopedia

In chemistry, a molecule is defined as a sufficiently stable, electrically neutral group of at least two atoms in a definite arrangement held together by very strong chemical bonds ... http://en.wikipedia.org/wiki/Molecule

Molecule (comics) - Wikipedia, the free encyclopedia

Molecule is a fictional character, a DC Comics superhero created by Geoff Johns and Tony Daniel. In name and appearance, he is a teenage counterpart of The Atom.http://en.wikipedia.org/wiki/Molecule_%28comics%29

Diatomic molecule - Wikipedia, the free encyclopedia

Diatomic molecules are molecules made only of two atoms, of either the same or different chemical elements. The prefix di- means two in Greek.http://en.wikipedia.org/wiki/Diatomic

Water (molecule) - Wikipedia, the free encyclopedia

Water (H 2 O, H OH) is the most abundant molecule on Earth's surface, constituting about 70% of the Earth's surface in liquid, solid, and gaseous states.http://en.wikipedia.org/wiki/Water_(molecule)

Molecule Man - Wikipedia, the free encyclopedia

Molecule Man is a fictional character, a supervillain in the Marvel Comics universe, created by Stan Lee and Jack Kirby. The character first appeared in Fantastic Four vol. 1, #20.http://en.wikipedia.org/wiki/Molecule_Man
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Moving single molecules

Moving single moleculesSingle molecule fluorescence time-lapse images of TRITC-tagged molecular machines translating on a glass surface. Images were taken by the Link Lab at Rice University...Flash - Video

MARK NELSSON - Molecule

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LittleBigPlanet: The Story of Media...

LittleBigPlanet: The Story of Media MoleculeAdam travels to England to speak with Media Molecule's Co-Founder Alex Evans about how a small game company of less than 30 people have created one of the most highly anticipated...Flash - Video

From Molecule to Medicine - video

From Molecule to Medicine - videoPharmaceutical research and development is a complex endeavor. A video report from Johnson and JohnsonVideo - Video

Hubblecast 14: First organic molecu...

Hubblecast 14: First organic molecule on extrasolar planetThe NASA/ESA Hubble Space Telescope has made the first detection ever of an organic molecule in a planet orbiting another star. This breakthrough is an important step in...MPEG 4 - Video

Answers for Molecule

JackWhat molecule forms the hydrogen carbonate ion?Jacksweetangel489211A monomer is a single small molecule, and a polymer is made of many small molecules. How many small molecules?sweetangel489211More than one.zephyrsynthesisHow do I find out symmetry in a molecule to classify it into a stereo molecule?zephyrsynthesisA chiral molecule is non-superimposable on its mirror image, and cannot be meso (have an internal symmetry plane). Draw your molecule, then redraw it's mirror image right beside it. Compare the two...xobabygurl29ooWhat happens to the 3 carbon atoms of a molecule of pyruvic acid that enters the Krebs cycle?xobabygurl29ooB).One carbon is released in the form of carbon dioxide and two carbons are incorporated into a molecule of acetyl CoA. The two carbons in acetyl CoA combine with oxaloacetate in the Cycle to form cit...help4chemWhat effect does this molecule have if it could bind to the adrenalin receptor in the body?help4chemThis looks nothing like the adrenaline molecule, other than the fact that it does have an amine group and 4 carbons. But adrenaline also has a hydroxyl group and a cyclic moiety. Despite this distinc...
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