CHM103 Week 7 Class Notes (10/03-10/07)
CHM103 Week 7 Class Notes (10/03-10/07) 103
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This 3 page Class Notes was uploaded by askcch on Sunday October 16, 2016. The Class Notes belongs to 103 at University of Miami taught by Elliot Atlas in Fall 2016. Since its upload, it has received 5 views. For similar materials see Chemistry for Life Sciences I (Lecture) in Chemistry at University of Miami.
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Date Created: 10/16/16
CHM103 Class N otes Week 7 10/0310/07) ________________________________________________________________________________ From revious ections 3.43.8 Ion formation, Ionic formulas, etc. ________________________________________________________________________________ Chapter 3: Ionic Compounds 3.9 Naming Ionic Compounds There are two inds of ionic compounds: Type I onic ompounds contain cations main group elements The charges on these cations do not ary Do not pecify he harge on the cation NaCl issodium chloride, MgCO 3 is magnesium carbonate Type II onic compounds ontain metals that can exhibit more than one charge Specify the charge on the cation in these compounds with either the old (ous, ic) or the new (roman numerals) system FeCl 2 isiron (II chloride or ferrous chloride FeCl 3 isiron (III chloride or ferric chloride 3.10 Some Properties of Ionic Compounds Ions in an ionic solid are held rigidly in place by attraction to their neighbors Once an ionic solid is dissolved in water, the ions can move freely, which accounts for the electrical conductivity of these compounds in solution Ionic compounds have very high melting and boiling points Ionic compounds dissolve in water i the attraction between water and the ions overcomes the attraction of the ions for one another. Not all ionic compounds are ater soluble + 3.11 H and OH ions: An Introduction to Acids and Bases + Acid: A substance hat provides H ions n water A hydrogen cation is imply roton When an acid dissolves in water, the proton attaches to a molecule of + water to orm hydronium ion (H 3 ) + Different acids can provide different numbers of H ions per acid molecule Base: A ubstance that provides H ions n water A hydroxide anion is a polyatomic ion, OH through covalent bond When these compound dissolve, OH anions go into solution along with the metal cation Different bases can provide different numbers of OH ions per formula unit Naming Ionic Compounds Naming Acids