ionic radius

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• Ionic radius — The ionic radius, r ion, is a measure of the size of an ion in a crystal lattice. It is measured in either picometres (pm) or Angstrom (Å), with 1 Å = 100 pm. Typical values range from 30 pm (0.3 Å) to over 200 pm (2 Å).The concept of ionic… …   Wikipedia

• ionic radius — jono spindulys statusas T sritis Standartizacija ir metrologija apibrėžtis Sąlyginis parametras, apibūdinantis atstumus tarp branduolių joniniame kristale. atitikmenys: angl. ion radius; ionic radius vok. Ionenradius, m rus. ионный радиус, m;… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

• ionic radius — jono spindulys statusas T sritis chemija apibrėžtis Sąlyginis parametras, apibūdinantis atstumus tarp branduolių joniniame kristale. atitikmenys: angl. ion radius; ionic radius rus. ионный радиус …   Chemijos terminų aiškinamasis žodynas

• Ionic — or Ionian may refer to:In science: * Ion, in physics and chemistry, an atom or group of atoms with a net electric charge ** Ionic bond, a type of chemical bond involving ions ** Ionic compound, a chemical compound in which ions are held together… …   Wikipedia

• Ionic potential — is the ratio of electric charge to the radius of an ion.As such, the proportion measures the charge density at the surface of the ion; usually the denser the charge, the stronger the bond the ion forms will be.Ionic potential gives the sense of… …   Wikipedia

• Covalent radius of fluorine — The covalent radius of fluorine is a measure of the size of a fluorine atom; it is approximated at about 60 picometres. Since fluorine is a relatively small atom with a large electronegativity, its covalent radius is difficult to evaluate. The… …   Wikipedia

• Atomic radius — Diagram of a helium atom, showing the electron probability density as shades of gray. The atomic radius of a chemical element is a measure of the size of its atoms, usually the mean or typical distance from the nucleus to the boundary of the… …   Wikipedia

• atomic radius — ▪ physics       half the distance between the nuclei of identical neighbouring atoms. An atom has no rigid spherical boundary, but it may be thought of as a tiny, dense positive nucleus surrounded by a diffuse negative cloud of electrons. The… …   Universalium

• Cation-anion radius ratio — Critical Radius Ratio In condensed matter physics the cation anion radius ratio is the ratio of the ionic radius of the cation to the ionic radius of the anion in a cation anion compound. This is simply given by rC / rA The allowed size of the… …   Wikipedia

• Covalent radius — Types of radii Atomic radius Ionic radius Covalent radius Metallic radius Van der Waals radius edit The covalent radius, rcov, is a measure of the size of an atom that forms part of one covalent bond. It is usually measured either in …   Wikipedia

• ion radius — jono spindulys statusas T sritis Standartizacija ir metrologija apibrėžtis Sąlyginis parametras, apibūdinantis atstumus tarp branduolių joniniame kristale. atitikmenys: angl. ion radius; ionic radius vok. Ionenradius, m rus. ионный радиус, m;… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas