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Warmup

Warmup. Write a chemical equation for Reactants: Aluminum Oxide, Fluorine Products: Aluminum Fluoride, Oxygen Find the superscripts (ionization), subscripts (molecular stochiometry ), and coefficients (balance the equation) in that order. OCTOBER 20 TH , 2010.

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Warmup

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  1. Warmup Write a chemical equation for Reactants: Aluminum Oxide, Fluorine Products: Aluminum Fluoride, Oxygen Find the superscripts (ionization), subscripts (molecular stochiometry), and coefficients (balance the equation) in that order.

  2. OCTOBER 20TH, 2010 Covalent BondsMetallic, Ionic, & Molecular Compounds

  3. Review: Balancing Equations Superscripts: Identify the ionization of each atom. 2) Subscripts: Use the criss-cross method, least common multiple method, or the Lewis Dot Diagram method to find the stochiometry of the molecules. Coefficients: Multiply molecules by coefficients that make the left and right side of the equation equal. Do this systematically, atom type by atom type.

  4. Electronegativity Review • Non-polar covalent x<.5 (shares equally) • Polar covalent .5<x<1.5 (shares unequally) • Ionic x>1.5 (give-take relationship)

  5. Regular Covalent Bonds

  6. Coordinate Covalent Bonds

  7. Metallic, Ionic, Molecular Compounds Crystalline and Metallic Structures p. 197 p. 202

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