Exam 2 Study Guide Ch3_4

Exam 2 Study Guide Ch3_4 - Chem 121 Exam 2 Study Guide Ch....

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Chem 121 Exam 2 Study Guide Ch. 3-4 Peck Define: Octet Rule Anion and cation Polyatomic ion Electronegativity Ionic Bond Covalent Bond Ionic compound Binary, binary ionic, and binary covalent compound Single, double and triple bonds Nonpolar covalent and polar covalent Dipole Bonding electrons and Nonbonding electrons Lewis structure and structural formula Resonance, contributing structure, double-headed and curved arrows VSEPR Reactant and product, formula weight, and molecular weight Mole, Avogadro’s number, molar mass Chemical equation, coefficient, stoichiometry Limiting and excess reagent Actual, theoretical and percent yield Dissociation, aqueous solution, spectator ions, net ionic equation Oxidation and Reduction, oxidizing and reducing agent Heat of reaction, exothermic and endothermic reaction, heat of combustion 1. Which of the following occurs when K (potassium) is converted to K + ? Answer: It loses one electron 2. Which of the following will lose electrons to become a cation: Cl, F, C, O, or Na? Answer: Na will lose electrons in orde r to obtain an electron configuration like that of it’ s nearest noble gas Ne 3. What is an ionic bond? What is a covalent bond? Answer:
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This note was uploaded on 11/13/2010 for the course CHEM 11578 taught by Professor Juliakovacs during the Fall '09 term at University of Washington.

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Exam 2 Study Guide Ch3_4 - Chem 121 Exam 2 Study Guide Ch....

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