
	Where results make sense

Topic: Ionic bond

Related Topics

Covalent bond

Double bond

Covalent bond

Chemical bond

Coordinate covalent bond

Hydrogen bond

Molecular geometry

Metallic bond

Molecular orbital

Ionic compound

Atom

Atom

Glycosidic bond

In the News (Tue 10 Nov 09)

Northern Trust

Marvin Harrison

Peter Chernin

Gary Locke

Match Play

Penelope Cruz

Mickey Rourke

AR Rahman

Danny Boyle

Hugh Jackman

	Chemical Bonds
		Ionic bond: bond in which one or more electrons from one atom are removed and attached to another atom, resulting in positive and negative ions which attract each other.
		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.
		Hydrogen bonding differs from other uses of the word "bond" since it is a force of attraction between a hydrogen atom in one molecule and a small atom of high electronegativity in another molecule.
	hyperphysics.phy-astr.gsu.edu /hbase/chemical/bond.html (698 words)

	Ionic bond
		Ionic bonding is the process of two or more atoms losing or gaining electrons to become charged ions.
		The bonding energy (from the electrostatic attraction[?] of the two oppositely charged ions) is large enough (negative value) that the overall bonded state energy is lower than the unbonded state.
		molecular orbitals are not formed), because each of the ions reached the lowest energy state[?], and the bond is based only (ideally) on the electrostatic interactions between positive and negative ions.
	www.ebroadcast.com.au /lookup/encyclopedia/io/Ionic_bonding.html (216 words)

	Ionic Bond
		An ionic bond is a chemical bond between an anion and a cation based on the electrostatic forces of their opposite charges.
		In the formation of this bond, a metal atom, either alone or bonded in a molecule, donates an ion to a nonmetallic atom; because the two atoms now have opposite charges, they are drawn together in a chemical bond.
		An ionic bond is difficult to break, but when dissolved in water, the polarity of water molecules will break it apart, with the positive ion adhering to the oxygen atom and the negative ion adhering to the hydrogen atoms.
	www.iscid.org /encyclopedia/Ionic_Bond (217 words)

	Erik's Chemistry: Chapter 8: Chemical Bonding (Site not responding. Last check: 2007-11-04)
		A chemical bond is a force that causes a group of atoms to behave as a unit.
		The electrons involved in both ionic and covalent bonds are in the outer levels (valence electrons).
		In other words, it is the measure of the strength of the ionic bond between oppositely charged ions.
	members.tripod.com /~EppE/chembond.htm (801 words)

	Ionic vs. Covalent
		Ionic bonding is usually encountered in compounds formed between metals and non-metals, example metal chlorides, oxides, sulfates.
		The strength of the ionic bond is influenced by the sizes and charges of the ions involved.
		The result is that double bonds, although stronger, are not twice as strong, and triple bonds are not three times as strong as the corresponding single bond.
	www.tenafly.net /~shilfstein/ionic_vs__covalent.htm (676 words)

	C05-1-4-0-0-0-0:Types of chemical bonds (Site not responding. Last check: 2007-11-04)
		An ionic bond is formed by the attraction of oppositely charged atoms or groups of atoms.
		Ionic bonding is typically described to students as being the outcome of the transfer of electron(s) between two dissimilar atoms.
		A coordinate covalent bond (also called a dative bond) is formed when one atom donates both of the electrons to form a single covalent bond.
	dwb.unl.edu /Teacher/NSF/C05/C05Mats/BondTypes.html (739 words)

	Molecular Bonding
		An ionic bond is a chemical bond formed by the electron attraction between positive and negative ions.
		Ionic bonds are made when an electron from the valence shell of one atom is transfered to the valence shell of another atom.
		In bonds between atoms of the same element the sharing of the electrons is equal between the two atoms.
	library.thinkquest.org /10429/high/bonding/bonding.htm (1090 words)

	General Chemistry Online: Glossary: Chemical bonds
		For example, a hydrogen chloride (HCl) molecule is an electric dipole because bonding electrons are on average closer to the chlorine atom than the hydrogen, producing a partial positive charge on the H end and a partial negative charge on the Cl end.
		Bonds between atoms with different electronegativities are polar, with the bonding electrons spending more time on average around the atom with higher electronegativity.
		An inductive effect is the polarization of a chemical bond caused by the polarization of an adjacent bond.
	antoine.frostburg.edu /chem/senese/101/bonds/glossary.shtml (1189 words)

	StainsFile - Stain theory - Bond types
		Ionic and covalent bonds are the opposite extremes of a continuum.
		Bonds that are 100% ionic or 100% covalent are not the usual.
		Although the ionic attraction between negatively charged carboxyl groups and positively charged amino groups is the one of most importance, ionic attractions between amino and hydroxyl, between amino and phosphate, and between amino and sulphonic are also frequently present.
	stainsfile.info /StainsFile/theory/bonds.htm (565 words)

	Chemical Bonding: polar covalence
		The electrons constituting a chemical bond are simultaneously attracted by the electrostatic fields of the nuclei of the two bonded atoms.
		This being said, it must be reiterated that the ionic model of bonding is a useful one for many purposes, and there is nothing wrong with using the term “ionic bond” to describe the interactions between the atoms in the very small class of “ionic solids” such as LiF and NaCl.
		Categorizing all chemical bonds as either ionic, covalent, or metallic is a gross oversimplification; as this diagram shows, there are examples of substances that exhibit varying degrees of all three bonding characteristics.
	www.chem1.com /acad/webtext/chembond/cb04.html (2324 words)

	Chemical Bonding, Page 2
		An Ionic Bond is a bond formed by the transfer of one or more electrons from an atom with a low electronegativity to an atom with a high electronegativity.
		The mechanism that holds an ionic bond together is the electrostatic force of attraction between the negative anion and the positive cation.
		Ionic bonding is the extreme case of polarity in that the large difference of electronegativities between the atoms has allowed one atoms to become fully positively charged while the second atom is fully negatively charged.
	www.bcpl.net /~kdrews/bonding/bonding2.html (938 words)

	Bonding (Site not responding. Last check: 2007-11-04)
		Ionic bonds are generally strong and therefore ionic compounds have high melting points and boiling points.
		Ionic bonds are formed by the electrostatic attraction of charged ions.
		Ionic bonds are found between a metallic atom, which tends to lose electrons, and a nonmetallic atom, which tends to gain electrons.
	home.att.net /~v.d.singleton/genchem/bonding.htm (2305 words)

	Chemical Bonding
		Covalent bonding occurs because the atoms in the compound have a similar tendency for electrons (generally to gain electrons).
		Unlike ionic compounds, covalent molecules exist as true molecules. Because electrons are shared in covalent molecules, no full ionic charges are formed. Thus covalent molecules are not strongly attracted to one another. As a result, covalent molecules move about freely and tend to exist as liquids or gases at room temperature.
		The bonding electrons are placed between the atoms and can be represented by a pair of dots or a dash (each dash represents one pair of electrons, or one bond).
	www.visionlearning.com /library/module_viewer.php?mid=55 (1503 words)

	Sodium Chloride Ionic Bond (Site not responding. Last check: 2007-11-04)
		Sodium Chloride Ionic Bond Sodium Chloride is an example of an ionic compound.
		Ionic compounds are formed when an electropositive element transfers electrons to an electronegative element.
		An ionic bond is formed as the result of a transfer of electrons.
	elearn.pvamu.edu /class/chem2043001/course/SodiumChlorideIonicBond.htm (40 words)

	Chemical Bonding
		Bond Length is the average distance between the centers of two bonded atoms.
		The primary difference between the various types of bonds is the location of the charged areas that are responsible for establishing the electrostatic forces.
		Bond Order is the term used to distinguish between the number of bonds that exist between two atoms.
	www.bcpl.net /~kdrews/bonding/bonding.html (798 words)

	ChemTeam: Which Elements form Ionic Bonds? (Site not responding. Last check: 2007-11-04)
		In modern language, the central idea of an ionic bond is that electrons (one or more, depending on the element) were transfered between the outer rings (shells) of adjacent atoms.
		Ionic bonds occur between metals and non-metals on the periodic table.
		For example, the bond between NH and Cl¯ in ammonium chloride is an ionic bond.
	dbhs.wvusd.k12.ca.us /webdocs/Bonding/Ionic-Bond-Which-Elements.html (521 words)

	CHEM 0010 Unit (Site not responding. Last check: 2007-11-04)
		The chemical forces of attraction that hold atoms or ions together in chemical compounds are called chemical bonds.
		Another type of bond is one that is observed between nonmetals is covalent bond.
		Ionic bonding requires a transfer of electrons from a metal to a nonmetal, a process that forms ions.
	nobel.scas.bcit.ca /chem0010/unit5/5.1_ionicBond.htm (232 words)

	SparkNotes: Ionic Bonds: Ionic Bonding
		When a highly electronegative atom and an electropositive one are bonded together, an electron is transferred from the electropositive atom to the electronegative atom to form a cation and an anion, respectively.
		Ionic compounds do not usually exist as isolated molecules, such as LiCl, but as a part of a crystal lattice--a three dimensional regular array of cations and anions.
		Ionic compounds form lattices due to the contributing coulombic attractions of having each cation surrounded by several anions and each anion surrounded by several anions.
	www.sparknotes.com /chemistry/bonding/ionic/section1.html (469 words)

	The Covalent Bond
		The covalent bonds within these molecules are at least as strong as an ionic bond, but we don't have to break these covalent bonds to separate one Cl molecule from another.
		When a sodium atom combines with a chlorine atom to form an ionic bond, each atom still contributes one electron to form a pair of electrons, but this pair of electrons is not shared by the two atoms.
		Ionic and covalent bonds differ in the extent to which a pair of electrons is shared by the atoms that form the bond.
	chemed.chem.purdue.edu /genchem/topicreview/bp/ch8/valence.html (2269 words)

	ChemTeam: The Ionic Bond (Site not responding. Last check: 2007-11-04)
		Later in the same paragraph, Thomson discusses the fact that one end of the "bond" (he hasn't used that word yet) is positive and the other negative.
		If we interpet the "bond" of the chemists as indicating a unit Faraday tube, connecting charged atoms in the molecule, the structural formulae of the chemist can be at once translated into the electrical theory.
		but the symbol indicating a bond on the chemical theory is not regarded as having direction, no difference is made on this theory between one end of the bond and the other.
	dbhs.wvusd.k12.ca.us /webdocs/Bonding/Ionic-Bond.html (450 words)

	Ionic Bonds.
		Ionic Bonds form from the transfer of electrons from one atom to another.
		If the value is slightly different (0.4-1.7) the electrons are not shared equally and the bond is POLAR with one side having a partial positive and one side having a partial negative charge.
		So if a metal reacts with a non metal it will most likely form an ionic bond and if two nonmetals form a bond it will either be a covalent or polar covalent.
	www.western.edu /faculty/jryter/chem101/Unit5/page3.htm (536 words)

	Name ______________________________
		Covalent Bonds- unlike ionic bonds that require the gain or loss of electrons, covalent bonds are those bonds between atoms that
		In this type of bond, both electrons in the bond come from one atom and none of the electrons come from the other atom.
		Hydrogen bonds- A bond in which the Hydrogen from one molecule attaches to the Fluorine, Oxygen or Nitrogen of another molecule.
	midwoodscience.org /stack/regentsreview/3bonding.htm (644 words)

	Chemical Bonding: polar covalence
		Even before G.N.Lewis developed his theory of the shared electron pair bond, it was believed that bonding in many solid salts could be satisfactorily explained on the basis of simple electrostatic forces between the positive and negative ions which are assumed to be the basic molecular units of these compounds.
		This being said, it must be reiterated that the ionic model of bonding is a useful one for many purposes, and there is nothing wrong with using the term "ionic bond" to describe the interactions between the atoms in "ionic solids" such as LiF and NaCl.
		In metallic bonding, the valence electrons lose their association with individual atoms; they form what amounts to a mobile "electron fluid" that fills the space between the crystal lattice positions occupied by the atoms, (now essentially positive ions.) The more readily this electron delocalization occurs, the more "metallic" the element.
	www.chem1.com /acad/webtut/bonding/polcov.html (1677 words)

	Ionic Bond
		Ionic bonds were first formed as atoms emerged from a supernova, and caused cosmic dust grains to form.
		An ionic bond is sometimes called an electrovalent bond.
		It can form when two atoms meet and an electron is permanently transferred from one to the other, because of the way their electron shells are formed.
	www.historyoftheuniverse.com /ionicbon.html (206 words)

	Ionic Bonding (Site not responding. Last check: 2007-11-04)
		The minimum distance between oppositely charged ions is the sum of the atomic (ionic) radii.
		Thus, sodium is present in ionic compounds as Na and not Na Likewise, adding an electron to fill a valence shell (and achieve noble gas electron configuration) is exothermic or only slightly endothermic.
		The group of atoms as a whole acts as a charged species in forming an ionic compound with an oppositely charged ion.
	wine1.sb.fsu.edu /chm1045/notes/Bonding/Ionic/Bond02.htm (689 words)

Try your search on: Qwika (all wikis)