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Naming Binary Compounds

Naming Binary Compounds. Building on what we know. What does binary mean?. “Bi” means two A Binary compound has two elements or ions Ex: Na Cl , Li 2 O, SCl 4. Types of Binary Compounds. TYPE I: A metal of fixed charge and a non-metal (Ionic Bond)

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Naming Binary Compounds

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  1. Naming Binary Compounds Building on what we know

  2. What does binary mean? • “Bi” means two • A Binary compound has two elements or ions • Ex: Na Cl, Li2O, SCl4

  3. Types of Binary Compounds • TYPE I: A metal of fixed charge and a non-metal(Ionic Bond) • TYPE II:A metal of variable charge (transition metal) and a non-metal (Ionic Bond) • TYPE III:Two non-metals (Covalent Bond)

  4. Rules for Naming ALL Binary Compounds • Common to All TypesCompound must be electrically neutral – unless otherwise indicated.

  5. Rules for Naming Binary Compounds • TYPE I: Metal (element name)Nonmetal (element name + “-ide”) • TYPE II: Metal (element name) – INDICATE CHARGENonmetal (element name + “-ide”) Ex: Copper (II) sulfide

  6. Rules for Naming Binary Compounds • TYPE III: • Species farther left in table (element name)Species farther right in table (element name + “ide”) • Prefixes indicate number of atoms

  7. Rules for Naming Type III (covalent bonds) Compounds • The first element gets a prefix IF it has a subscript in the formula • The second element ALWAYS gets a prefix • The second element gets the “–ide” ending

  8. Examples • Sulfur Tetrachloride • Nitrogen Trifluoride • I F5 • B6 Si • S Cl4 – • N F3 – • Iodine Pentafluoride – • Hexaboron Silicide –

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