chm bonding - Ionic vs. Molecular substances o Ionic solids...

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- Ionic vs. Molecular substances o Ionic solids are held together by the attraction of positive and negative particles o Molecular solids are held together by covalently bonded atoms held together by IMF’s o When dissolved in water, they behave differently - Dissociation o the separation of ins that occurs when an ionic compound dissolved in H 2 O NaCl Na + and Cl - This can be read as one ion od sodium cholird gives 2 ions in solution o Examples NaCl Ca + Cl KBr K _ Br CaCl 2 Ca +2 + 2 CL -1 AlCL 3 Al +3 + 3 Cl - Precipitation Reactions o No compound is completely insoluble, but ones that have a very low solubility are considered insoluble o There are general solubility guidelines that cover ionic compounds on pg. 427 table 14-1 Precipitate- a solid that forms when two solutions are mixed - Net ionic equations o Includes only those compounds and ions that undergo a chemical change in a reaction in an Aq solution o Spectator Ions- ions that do not take part in a chemical reaction and are found in
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This note was uploaded on 02/25/2012 for the course CHEM 4385 taught by Professor Staff during the Fall '11 term at Texas State.

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chm bonding - Ionic vs. Molecular substances o Ionic solids...

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