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Naming Compounds

Naming Compounds. Binary Compounds Name the cation (positive ion) first. Name the anion (negative ion) changing the ending to – ide . ** No ending change for polyatomic ions Example: CaBr 2 calcium brom ide NaOH sodium hydroxide. Naming Compounds with Roman numerals.

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Naming Compounds

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  1. Naming Compounds

  2. Binary Compounds • Name the cation (positive ion) first. • Name the anion (negative ion) changing the ending to –ide. • ** No ending change for polyatomic ions • Example: CaBr2 calcium bromide • NaOH sodium hydroxide

  3. Naming Compounds with Roman numerals • Name using binary compound rules. • Determine the oxidation number of anion. • Multiply the oxidation number by the subscript of the anion. • Divide the product by the subscript of the cation. Example: W2O3

  4. Molecular Compounds Naming Prefixes • Name the cation adding a prefix IF there is more than one. • Name the anion adding a prefix and change the ending to –ide. Examples: CS2 carbon disulfide P4O10tetraphosphorusdecoxide

  5. Name the compound just as you name binary compounds. • Indicate the number of water molecules per formula unit using prefixes. HYDRATES EXAMPLES: Na2CO3 •7H2O Sodium carbonate heptahydrate Ga2O3 • H2O Gallium (III) oxide monohydrate

  6. Name the following compounds. • CaCO3 calcium phosphate • KClpotassium chloride • FeSO4iron (II) sulfate • LiBrlithium bromide • MgCl2 magnesium chloride • FeCl3 iron (III) chloride • Zn3(PO4)2 zinc phosphate • NH4NO3 ammonium nitrate • Al(OH)3 aluminum hydroxide • CuC2H3O2 copper (I) acetate

  7. CO2 • CO • SO2 • SO3 • N2O • NO • N2O3 • NO2 • N2O4 • N2O5 Molecular Compounds

  8. CO2 • CO • SO2 • SO3 • N2O • NO • N2O3 • NO2 • N2O4 • N2O5 Molecular Compounds carbon dioxide carbon monoxide sulfur dioxide sulfur trioxide dinitrogen monoxide dinitrogen trioxide nitrogen dioxide nitrogen dioxide dinitrogen tetroxide dinitrogenpentoxide

  9. Naming Hydrates • MgCO3• 3H2O • MgCO3• 5H2O • Nd(CH3COO)3•H2O • Ni(CN)2•4H2O • Pr2(CO3)3•8H2O

  10. Naming Hydrates • MgCO3• 3H2O • MgCO3• 5H2O • Nd(CH3COO)3•H2O • Ni(CN)2•4H2O • Pr2(CO3)3•8H2O magnesium carbonate trihydrate magnesium carbonate pentahydrate neodymium acetate monohydrate nickel (ii) cyanide tetrahydrate praseodymium carbonate octohydrate

  11. Nomenclature • CaC2O4 • Fe2O3 • (NH4)3PO4 • NaHSO4 • Hg2Cl2 • Mg(NO2)2 • CuSO4 • NaHCO3 • NiBr3 • Be(NO3)2 • ZnSO4 • P2O5 • CCl4 • SiO2 • CS2 • OF2 • 17. PBr3 • 18. AuCl3 • 19. KMnO4 • 20. PbSO3 • 21. NaClO3 • 22. Na2CrO44H2O • 23. Ni(C2H3O2)24H2O • 24. ZnSO47H2O • 25. SrCl26H2O

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