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Naming Compounds

Naming Compounds. Ionic Compounds. Always have a METAL and NON-METAL Metal always named first Write element name Non-metal follows after Add suffix -ide. Simple Ionic Compounds. Na Cl Sodium Chloride Mg O Magnesium Oxide Ca Br 2 Calcium Bromide. Simple Ionic Examples.

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Naming Compounds

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  1. Naming Compounds Ionic Compounds

  2. Always have a METAL and NON-METAL • Metal always named first • Write element name • Non-metal follows after • Add suffix -ide Simple Ionic Compounds

  3. NaCl • Sodium Chloride • MgO • Magnesium Oxide • CaBr2 • Calcium Bromide Simple Ionic Examples

  4. Must include charge of transition metal • Transition metals located in middle d-block • Charge written in () as Roman numerals • Only 2 exceptions • Zinc (2+) Zn • Silver (1+) Ag • Find charge by using known charge of non-metal • I, II, III, IV, V, VI, VII, VIII Transition Metal Ionic

  5. CrO • O has a 2- charge • Cr must have a 2+ charge • Chromium (II) Oxide • AuN • N has a 3- charge • Au must have 3+ charge • Gold (III) Nitride • Cr2O3 • Oxygen has a 2- charge (6- overall) • 2 Cr ions have a 6+ ion  Cr has 3+ charge • Chromium (III) Oxide Transition Metal Examples

  6. Calcium chloride • CaCl2 • Barium Sulfide • BaS • Copper (I) Oxide • Cu2O • Iron (II) Nitride • Fe3N2 Naming to Formula

  7. Naming Compounds Covalent Compounds

  8. Covalent compounds involve 2 non-metals • For first non-metal, add prefix to indicate number in compound EXCEPT when there is only 1 • Mono, di, tri, tetra, penta, hexa • For second non-metal, add prefix AND –ide suffix • Mono, di, tri, tetra, penta, hexa Covalent Compounds

  9. N2O5 • DinitrogenPentoxide • CO2 • Carbon Dioxide • CO • Carbon Monoxide Covalent Examples

  10. Carbon Tetrachloride • CCl4 • Sulfur Hexaflouride • SF6 • Video Naming to Formula

  11. Naming Compounds Acids and Polyatomic Ions

  12. Polyatomic Ions can take the place of an anion or cation • Only cation that we use is NH4+, Ammonium Naming Polyatomic Ions

  13. All binary acids (H and 1 other el.) • Include prefix HYDRO- • Followed by anion • Suffix –IC added • Add “acid” to the very end • HCl • Hydrochloric acid Naming Acids

  14. All acids with Oxygen • Identify which polyatomic ion it is • Use polyatomic name • Suffix –ate  –ic • Suffix –ite  –ous • Add “acid” to very end • HNO3 (nitrate ion) • Nitricacid • HNO2 (nitrite ion) • Nitrousacid Naming Acids

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