The ionic bond results from the electrostatic attraction between oppositely charged particles, called ions. Ions can be charged atoms or group of bonded atoms. Atoms of the elements with metal character can lose their valence electrons and become positively charged ions or cations. Atoms of non-metal elements can gain electrons and become negatively charged ions, or anions. the cations and anions have completed valence shell and stable electron configuration. Substances containing ionic bond do not exist as isolated molecules. They form ionic solids – three dimensional network, where each cation is surrounded by anions and each anion is surrounded by cations.

Formation of an ionic bond

http://207.10.97.102/chemzone/lessons/03bonding/mleebonding/ionic_bonds.htm Animated example for formation of an ionic bond.

http://mychemistrypage.future.easyspace.com/General/bonding/ionic.html Ionic bonding occurs between charged particles.

http://www.learn.co.za/content/grade11/Science/chem_bonding/chem_bond/Unit3/ Forming of binary compounds NaCl, CaO, CaBr2; charge on the ions.

http://www.launc.tased.edu.au/online/sciences/PhysSci/pschem/ion/Ions.htm Comparison between ionic end metallic bond.

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Positive and negative ions

http://www2.gasou.edu/chemdept/general/molecule/polar.htm Formation of an ionic bond - the metal and the non-metal complete their valence shell to obtain a stable electron configuration: animated example.

http://www.learn.co.uk/default.asp?WCI=Unit&WCU=36638 Formation of Na+ and Ca2+ cations and O2- anion.

http://www.s-cool.co.uk/ Animated reaction between magnesium and oxygen and between magnesium and chlorine.

http://www.chem.neu.edu/courses/reiff/b/lect09/img002.htm About the ion sizes.

http://www.beyondbooks.com/psc92/3b.asp Ionic bond as an electrostatic interaction. Everyday examples.

http://www.csupomona.edu/~egoldstein/121/LDS-INtro.HTM Animated example for formation of an ionic bond between the elements from groups I-IIIA and groups V-VIIA.

http://www.csupomona.edu/~egoldstein/121/LDS-IonicE.HTM Formation of КCl and CaBr2; electronic configuration of oxygen atom and oxygen ion.

http://www.citycollegiate.com/bondIXa.htm Formation of an ionic bond between Na&Cl

http://www.kings.edu/~chemlab/chemlab_v2/cscl.html Cesium chloride cubic crystal lattice.

http://www.chem.ufl.edu/~chm2040/Notes/Chapter_2/Coolstuff/unlike.html Crystal structure of NaCl.

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Chemical and physical properties of ionic compounds

http://www.chem.ufl.edu/~chm2040/Notes/Chapter_11/types.html A good visualisation of ionic compounds’ properties.

http://www.creative-chemistry.org.uk/molecules/structures.htm Comparison of the structures and properties of sodium chloride, iodine, diamond, and graphite.

http://207.10.97.102/chemzone/lessons/03bonding/dissociate.htm Animated example for formation of an ionic bond.

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Virtual experiment

sodiumchloride.MOV

NaClbndForm.mov

Ionicsubstrates.mov

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Problems and tests

http://207.10.97.102/ chemzone /lessons /03 bonding / dogbonds . htm   Comparison of different bonds .

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Internet Resources
Chemical Bonding
  • What is chemical bond?
  • Valence Oxidation number
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  • Intermolecular forces
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  • Covalent bond
  • Metal bond
  • Ionic bond

    • Ionic Bond