CH104Chpt3StudySoup.pdf CH 104
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This 3 page Class Notes was uploaded by Regan Dougherty on Thursday September 17, 2015. The Class Notes belongs to CH 104 at University of Alabama - Tuscaloosa taught by Stephen Woski in Summer 2015. Since its upload, it has received 16 views. For similar materials see Introductory Chemistry in Chemistry at University of Alabama - Tuscaloosa.
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Date Created: 09/17/15
Thursday September 17 2015 Chapter 3 Ionic Compounds 2 Kinds of Bonding Ionic ions with opposite charges attracted each other Covalent sharing electrons chapter 4 Octet rule atoms like to have a noble gas configuration usually 8 valence electrons but there are exceptions ions with noble gas configurations are especially stable Cations positively charged ions atoms that have lost one or multiple electrons to get to a more stable state noble gas configuration typically metals Anions negatively charged ions atoms that have gained one or multiple electrons to get to a more stable state noble gas configuration typically nonmetals Typical Ionic Charges Group 1A1 lose1 electron charge1 2A 2 lose 2 electrons Thursday September 17 2015 charge 2 3A 3 lose 3 electrons charge 3 5A 15 gain 3 electrons charge 3 6A 16 gain 2 electrons charge 2 7A 17 gain 1 electron charge 1 Transition Metals more than one charge is possible the charge is normally indicated by roman numerals after the name ex Chromiumll no space Another way to indicate charge ion with the lower charge end in ous and the ion with the high charge end in ic know copper cuprouscupric iron ferrousferric and tin stannousstannic Polyatomic ion more than one atom Naming FOR ANIONS take the name of the element and drop the ending and add ide ex bromine gt bromide Thursday September 17 2015 Naming Ionic Compounds anion cation the name of the metal is just the name of the element magnesium fluoride if it is a transition metal you need to specify the charge iron oxide ferric oxide a compound has no charge neutral you may need a ratio other than 11 for some element combinations this needs to be considered when writing formulas FOR CATIONS take the name of the element and drop the ending and add ate ex nitrogen gt nitrate
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