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Understanding Roman Numerals in Compound Naming and Balance Formulas

In this activity, students will explore the significance of Roman numerals in chemical compound names, particularly when elements have multiple possible charges. Working in groups of 3-4, participants will utilize a whiteboard to review and practice naming compounds and writing their formulas. Students will write the symbols for various elements, balance formulas for acids and hydroxides, and categorize different compounds based on nomenclature rules. This hands-on learning experience will enhance their understanding of chemical formulas and compounds' classifications.

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Understanding Roman Numerals in Compound Naming and Balance Formulas

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  1. 1/21/14 When do you use a roman numeral in a name of a compound? When it has more than one possible charge

  2. Today Get in groups of 3-4 people Each group will need one whiteboard and marker We will thoroughly review how to name and create compounds.

  3. Write the symbol for these • Iron (II) • Chlorine • Oxygen • Sodium • Copper (I) • Lead (II) • Floruine • Magnesium • Fe • Cl2 • O2 • Na • Cu • Pb • F2 • Mg

  4. Write the balance formula for: • Nitric acid • Hydrosulfuric acid • Calcium hydroxide • Tricarbonoctasulfide • Cobalt (III) Oxide • HNO3 • H2S • Ca(OH)2 • C3S8 • Co2O3

  5. Write the names and types of • N4O5 • HCH3COO • Mg(OH)2 • H2SO3 • FeS • CuSO4 • CO • Tetranitrogenpentoxide – C • Acetic acid – A,I • Magnesium Hydroxide – B,I • Sulfurous acid – A,I • Iron (II) Sulfide - I • Copper (II) Sulfate - I • Carbon monoxide - C

  6. Examples • P2O5 • CO • CCl4 • N7O4 • CO3 • Al2S3 • Mg(OH)2 • HCl • DiphorphorusPentoxide • Carbon monoxide • Carbon tetrachloride • Heptanitrogentetroxide • Carbon trioxide • Aluminum sulfide • Magnesium Hydroxide • Hydrochloric Acid

  7. Zinc Sulfide • Magnesium Chloride • Calcium Chlorate • Calcium Sulfate • Silver Nitrate • ZnS • MgCl2 • Ca(ClO3)2 • CaSO4 • AgNO3

  8. H2S • CO • H2CO3 • Mg3(PO4)2 • KCl 1. HydrosulfuricAcid 2. Carbon Monoxide 3. Carbonic Acid 4. Magnesium Phosphate 5. Potassium Chloride

  9. Copper (II) Sulfite • HydroflouricAcid • Iron (II) Sulfate • DisulfurTetrachloride • Arsenic Trichloride • CuSO3 • HF • FeSO4 • S2Cl4 • AsCl3

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