naming-ionic-covalent

naming-ionic-covalent - Naming Compounds Naming Compounds...

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Unformatted text preview: 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) 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 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...
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This note was uploaded on 05/23/2011 for the course CHM 2045 taught by Professor Mitchell during the Summer '07 term at University of Florida.

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naming-ionic-covalent - Naming Compounds Naming Compounds...

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