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Naming Molecules

Naming Molecules. Naming Binary Molecular Compounds. Binary molecular compounds consist of two elements combined together with a covalent bond. When Naming a Binary Compound. Follow these rules for naming a chemical formula:

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Naming Molecules

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  1. Naming Molecules

  2. Naming Binary Molecular Compounds Binary molecular compounds consist of two elements combined together with a covalent bond.

  3. When Naming a Binary Compound • Follow these rules for naming a chemical formula: • The first element in the formula is always named first, using the entire element’s name. • The second element in the formula is named using the root of the element and adding the suffix –ide. • Prefixes are used to indicate the number of atoms of each type that are present in the compond.

  4. Below are common numerical prefixes Please write these down and memorize them. Note to avoid using the prefix mono on the first element. Note: avoid awkward pronunciation by dropping the “O”.

  5. Formula and Names of Some Covalent Compounds Formula Common Name Molecular Comp. Name H2O Water dihydrogen monoxide NH3 ammonia nitrogen trihydride N2H4 Hydrazine dinitrogentetrahydride N2O Nitrous oxide dinitrogen monoxide NO nitric oxide nitrogen monoxide

  6. Naming Acids • Naming Binary Acids- contain hydrogen and another element. Typically written as Hydro(element or polyatomic ion)ic acid. • Hydrofluoric Acid (HF) • Naming Oxyacids- contains hydrogen and an oxyanion (things with oxygen). • Nitric Acid (HNO3)

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