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Ionic Compounds Formula to Name

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Dive into the world of binary ionic compounds, where each compound consists of one metal and one non-metal. This guide demystifies the chemistry language by explaining how to identify and name these compounds. Learn the process of writing the names of cations and anions, with practical examples like Sodium Chloride and Calcium Bromide. You’ll also discover how to convert the names back into chemical formulas. By mastering this language, you'll gain a deeper understanding of ionic bonds, making chemistry more accessible!

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Ionic Compounds Formula to Name

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  1. Ionic CompoundsFormula to Name

  2. The Language of Chemistry Chemistry has a language all of its own Chemistry English Element Symbols Letters Chemical Formulas Words Chemical Equations Sentences Each element symbol starts with a capital letter

  3. Binary Ionic compounds

  4. Ionic Compound Definitions Ionic bond- bond formed by attraction between + and - ions Binary Ionic Compound- compound containing two elements—one metal and one non-metal + Cation - Anion

  5. Metals & Non-Metals Ionic Bonds are between metals & non-metals

  6. Identifying & Naming Binary Ionic • These compounds have: • 2 elements (“binary”) • A metal & a non-metal (“ionic”) • To name these compounds: • Write the name of the metal (the cation) • Write the name of the non-metal (the anion) with the suffix “-ide” The subscripts in the formula do not matter when naming this type

  7. Example #1 NaCl

  8. Example #1 “Sodium” Cation NaCl Anion “Chlorine” becomes “Chloride” Sodium Chloride

  9. Example #2 CaBr2

  10. Example #2 “Calcium” Cation CaBr2 Anion “Bromine” becomes “Bromide” Calcium Bromide

  11. Example #3 K2O

  12. Example #3 “Potassium” Cation K2O Anion “Oxygen” becomes “Oxide” Potassium Oxide

  13. Let’s Practice CaF2 Na3P NaCl SrBr2 Example: Write the name for the following compounds

  14. Let’s Practice CaF2 Na3P NaCl SrBr2 Calcium fluoride Sodium phosphide Sodium chloride Strontium bromide Example: Write the name for the following compounds

  15. Binary Ionic CompundsName to Formula

  16. Ionic Compound Definitions Ionic bond- bond formed by attraction between + and - ions Binary Ionic Compound- compound containing two elements—one metal and one non-metal + Cation - Anion

  17. Metals & Non-Metals Ionic Bonds are between metals & non-metals

  18. Identifying & Naming Binary Ionic • These compounds: • End in “-ide” (except “hydroxide and cyanide”) • Do NOT contain covalent prefixes • To write these formulas: • Write the symbol & charge of the first element (the metal, cation) • Write the symbol & charge of the second element (the non-metal, anion) • Add more of the cations and/or anions to have a neutral compound • Use subscripts to show how many of each type of ion is there.

  19. Example #1 Sodium chloride

  20. Example #1 Na+1 Cation Sodium chloride Anion Cl-1 NaCl

  21. Example #1 Na+1 Cation Na+1Cl-1 Sodium chloride +1 + -1 = 0 Anion The compound is neutral…no subscripts are needed. Cl-1 NaCl

  22. Example #2 Calcium bromide

  23. Example #2 Ca+2 Cation Calcium bromide Anion Br-1

  24. Example #2 Ca+2 Cation Ca+2Br-1 Calcium bromide +2 + -1 = +1 Anion Ca+2Br-1Br-1 Br-1 +2 + -1 + -1 = 0 CaBr2 The subscript “2” is used to show that 2 anions are needed.

  25. Let’s Practice Cesium chloride Potassium oxide Calcium sulfide Lithium nitride Example: Write the following chemical formulas

  26. Let’s Practice Cesium chloride Potassium oxide Calcium sulfide Lithium nitride CsCl K2O CaS Li3N Example: Write the following chemical formulas

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