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ionic bond |
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ionic bond: see chemical bond chemical bond, mechanism whereby atoms combine to form molecules . There is a chemical bond between two atoms or groups of atoms when the forces acting between them are strong enough to lead to the formation of an aggregate with sufficient stability to be regarded as ..... Click the link for more information. . ionic bondElectrostatic attraction between oppositely charged ions in a chemical compound. Such a bond forms when one or more electrons are transferred from one neutral atom (typically a metal, which becomes a cation) to another (typically a nonmetallic element or group, which becomes an anion). The two types of ion are held together by electrostatic forces in a solid that does not comprise neutral molecules as such; rather, each ion has neighbours of the opposite charge in an ordered overall crystalline structure. When, for example, crystals of common salt (sodium chloride, NaCl) are dissolved in water, they dissociate (see dissociation) into two kinds of ions in equal numbers, sodium cations (Na+) and chloride anions (Cl−). See also bonding; covalent bond. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Mirkin and Oh have also tweaked the optical properties of particles incorporating metal ion pairs. For TiK[alpha] (which has an energy of about 4510 eV) there would be about half the counter pulse amplitude, or 217 ion pairs. 8) we have reported that bulky triethylbenzyl cation forms a tight and stable ion pair with stearate anion, due to which the free stearate ion is undetectable in the IR spectra of the vulcanizate. |
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