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Chemical Nomenclature

Chemical Nomenclature . *Binary Ionic Compounds *Binary Covalent Compounds *Ternary Ionic Compounds *Acids. Types of Compounds. Type A Binary Ionic – Contains a single-valence metal ( cation ) and a non-metal ( anion )

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Chemical Nomenclature

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  1. Chemical Nomenclature *Binary Ionic Compounds *Binary Covalent Compounds *Ternary Ionic Compounds *Acids

  2. Types of Compounds • Type A Binary Ionic – Contains a single-valence metal (cation) and a non-metal (anion) • Type B Binary Ionic – Contains a MULTIvalent metal (cation) and a non-metal (anion) • Binary Covalent (Molecular) Contains two non-metals. (There are exceptions to this rule!)

  3. Binary Ionic Compounds (Type A – no multivalence metals) • Step 1 – Make sure the first element is a metal that is NOT multivalent • Step 2 – Write the name of the cation (this is the metal) first. • Step 3 – Write the name of the anion using the –ide ending.

  4. Naming Ionic CompoundsType B – with multivalence metals • Step 1 – Identify the metal and check the multivalence list. (If it isn’t there, name it as a Type A binary ionic compound.) • Step 2 – Identify the ANION and determine the charge. • Step 3 – use algebra to determine the charge on the cation. • Step 4 – Name the cation followed by a roman numeral that MATCHES its charge. • Step 5 – Name the anion using the –ide ending.

  5. Naming Binary Covalent Compounds • Identify the first element. If there are two or more atoms use the prefix to match the number of atoms. • Identify the second element and use a prefix to indicate the number of atoms present. • Write the name of the compound using the –ide ending.

  6. Ternary Ionic Compounds Type A and Type B • Step 1: Identify the cation and determine if you need to use Type A or Type B naming procedures to name it. • Step 2: Write the name of the cation. • Step 3: Write the name of the anion. • Step 4: Rejoice, for you are finished!

  7. Naming Acids • Determine if it is a BINARY acid or a TERNARY acid. • If it is BINARY acid, change the name of the element the hydrogen is with, change the ending to –ic, and put hydro- in front. • Example: HCl • Chlorine becomes chloricand put hydro in front…. Hydrochloric Add the word ‘acid” HCl = “Hydrochloric acid”

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