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Chemistry LibreTexts

3.3: Lewis Structures

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  • Unit Objectives

    • Explain the formation of cations, anions, and ionic compounds
    • Predict the charge of common metallic and nonmetallic elements, and write their electron configurations
    • Describe the formation of covalent bonds
    • Define electronegativity and assess the polarity of covalent bonds
    • Write Lewis symbols for neutral atoms and ions
    • Draw Lewis structures depicting the bonding in simple molecules
    • Compute formal charges for atoms in any Lewis structure
    • Use formal charges to identify the most reasonable Lewis structure for a given molecule
    • Identify the oxidation states of atoms in Lewis structures

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