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CHEMISTRY (NOMENCLATURE (Binary Compounds (Ionic Compounds (Writing…

- - - - Writing Formulas
        
        1. Write the symbols
        2. Write the charges
        3. Cross-over the charges
        4. Remove the charges
        5. Simplify
        
        Example: *Sodium Chloride - Na^+1 , Cl^-1 = NaCl*
        
        Example: *Magnesium Chloride- Mg^+2 , Cl^-1 = MgCl2*
      - Naming Formulas
        
        Simple anions are named according to elements that forms anion with the ending changed to -ide
        
        Example:* FeCl2 - Fe^2+, Cl^- = Iron (II) Chloride*
    - - Naming Covalent (Non-metals) Compounds
        
        1. First element – name
        2. Second element – name
        3. Subscripts become Greek prefixes
        
        mono must be used as a prefix of the second element only
        
        Example: N2O = dinitrogen monoxide
      - Writing Formulas for Covalent (Non-Metals) Compounds
        
        1. Identify both elements and give symbols
        2. Add subscripts to indicate # of atoms
        3. Write Formula
        
        Example: disulphur decafluoride = S2F10
    - - Naming Binary Acids
        
        1. Start w/ prefix hydro-
        2. Second element (non-metal) end with –ic
        3. End with the word “acid”
      - Writing Formulas for Binary Acids
        
        1. Write the atomic symbols for elements in the acid
        2. Write the charges
        3. Cross-over the charges to balance the acid
        4. Erase and simplify charges
        
        Example: hydroiodic acid = HI
  - - - metal + hydroxide (OH)
        
        Example: Calcium Hydroxide = Ca(OH)2 (aq)
    - - metal + polyatomic non-metal
        
        Example: Al2(SO4)3 = aluminum sulphate
        
        Example: Magnesium Hydroxide = Mg(OH)2