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Unformatted text preview: the same molecule NH4HCO3 > NH3 + H2O + CO2 a. Like the bonds between the two hydrogen and oxygen elements in a water molecule 4. Inter molecular bonds: are bonds between two separate molecules a. Like a hydrogen bond connecting water molecules Ionic Bonds Electrons are transferred between atoms Atoms become positively charged if donate e- or negatively charged if accept e-These are properly termed ions: cations (+) and anions (-) Anions: CI-, I-, HCO 3-, NO 2- (nitrite) Cations: NA + , K + , CA ++ , Mg ++ , Fe ++ Na+ ions (cations) alternate with Cl- (anions) in three dimensions within a crystal lattice structure The ionic attraction can be considered another example of intramolecular bonding, even though we are dealing with an ionic structure, not a molecule Intermolecular Bonds Hydrogen bonding is between an O or N atom of one molecule and H of another and is a type of covalent bond (separated in space) Na + Cl-...
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This note was uploaded on 03/25/2008 for the course FSTC 201 taught by Professor Murano during the Spring '08 term at Texas A&M.
- Spring '08