naming-ionic-covalent

naming-ionic-covalent - Naming Compounds Naming What's in a...

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Naming Compounds Naming Compounds What's in a name? That which we call a rose By any other name would smell as sweet." - William Shakespeare, Romeo and Juliet (II, ii)
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We can determine the formula of a compound by completing Lewis diagrams or via “valence” Valence is “the number of electrons an atom must gain, lose, or share to complete its octet” For representative elements valence starts at 1 (IA), climbs to 4 (IVA) and falls back to 1 (VIIA) By knowing the valence of elements you can determine the formula of compounds E.g. what compound would form from C + S? Step 1 - write valences: C 4 S 2 Step 2 - cross down valences: C 2 S 4 Background: valences and formulas Step 3 - simplify formula: CS 2 a) Al,Br b) K,S c) Zn,O d) Mg,N e) C,Cl f) Cu,O AlBr 3 K 2 S ZnO Mg 3 N 2 CCl 4 CuO or Cu 2 O
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Ionic compounds (metal with 1 valence) Rules for naming Names end in -ide. Example: sodium chloride Metal (+ve ion) comes 1st (not chorine sodide) Use the group valence for nonmetals Do not capitalized unless starting a sentence
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This note was uploaded on 11/09/2011 for the course CHEM 110 taught by Professor Sullivan during the Fall '10 term at BYU.

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naming-ionic-covalent - Naming Compounds Naming What's in a...

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