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Covalent chemical bonds involve the sharing of a pair of valence electrons by two atoms, in contrast to the transfer of electrons in ionic bonds. Such bonds lead to stable molecules if they share electrons in such a way as to create a noble gas configuration for each atom.
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hyperphysics.phy-astr.gsu.edu/hbase/chemical/bond.html
hyperphysics.phy-astr.gsu.edu/hbase/chemical/bond.html
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Explains how ionic (electrovalent) bonds are formed, starting with a simple view and then extending it for A'level. ... A simple view of ionic bonding...
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www.chemguide.co.uk/atoms/bonding/ionic.html
www.chemguide.co.uk/atoms/bonding/ionic.html
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An ionic bond is formed when electrons are transferred from one atom to the other. The two cases shown represent extremes; often, covalent bonds form with a partial transfer (unequal sharing of electrons), resulting in a polar covalent bond. ... Covalent and Ionic Bonds...
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www.accessexcellence.org/AB/GG/cov_IonicBs.html
www.accessexcellence.org/AB/GG/cov_IonicBs.html
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Diagrams and explanations for the different types of chemical bonds. ... Electrostatic bonds(ionic)-result from the electrostatic attraction between two ionized groups of opposite charge, such as carboxyl (-COO-) and amino (-NH3+). In water, these bonds are very weak.
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www.biology.arizona.edu/biochemistry/tutorials/chemistr...
www.biology.arizona.edu/biochemistry/tutorials/chemistry/page2.html
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Simple explanation of ionic bond in the framework of the history of the Universe ... This type of gluing is called an ionic bond. Ionic bonds were first formed as atoms emerged from a supernova, and caused cosmic dust grains to form. They are important in holding the atoms together in many rocks on the Earth today.
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www.historyoftheuniverse.com/ionicbon.html
www.historyoftheuniverse.com/ionicbon.html
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There is a significant difference between the physical properties of NaCl and Cl2, as shown in the table below, which results from the difference between the ionic bonds in NaCl and the covalent bonds in Cl2.
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chemed.chem.purdue.edu/genchem/topicreview/bp/ch8/valen...
chemed.chem.purdue.edu/genchem/topicreview/bp/ch8/valenceframe.html
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In 1916, the American chemist Gilbert Newton Lewis proposed that chemical bonds are formed between atoms because electrons from the atoms interact with each other. Lewis had observed that many elements are most stable when they contain eight electrons in their valence shell. ... Ionic bonds form between metals and nonmetals.
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www.visionlearning.com/library/science/chemistry-1/CHE1...
www.visionlearning.com/library/science/chemistry-1/CHE1.7-bonding.htm
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Bonds in general; Ionic bonds; Atoms with multiple valences; Radicals or polyatomic ions; Acids of some common polyatomic ions; Writing ionic compound formulas; Binary covalent compounds; Checklist for writing compounds; More on bonds; Continuum between ionic and covalent bonds; Lewis structures; Shapes around an atom;
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www.chemtutor.com/compoun.htm
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