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Formula Worksheet #1

Formula Worksheet #1. Naming Ionic Compounds with Polyatomic Ions. 1 less oxygen, change ending to – ite 2 less oxygen, add prefix “hypo” and change ending to – ite 1 more oxygen, add prefix “per-” Example: ClO 3 - = chlorate ClO 4 - = ClO 2 - = ClO - =. perchlorate. chlorite.

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Formula Worksheet #1

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  1. Formula Worksheet #1

  2. Naming Ionic Compounds with Polyatomic Ions • 1 less oxygen, change ending to –ite • 2 less oxygen, add prefix “hypo” and change ending to –ite • 1 more oxygen, add prefix “per-” • Example: ClO3- = chlorate • ClO4- = • ClO2- = • ClO- = perchlorate chlorite hypochlorite

  3. Let’s Try it Out! • What is the name for the following ionic compound? NaI a. Sodium iodine b. Sodium iodide c. Nitrogen Iodine d. Selenium Iodide

  4. What is the correct formula for the following compound? Aluminum Nitrate a. AlN b. AlN3O9 c. Al(NO3) d. Al(NO3)3

  5. What is the correct formula for the following ionic compound? Magnesium Sulfide a. MgS b. MgSO4 c. Mg2SO4 d. Mg(SO4)2

  6. What is the correct name for the following compound? NaNO2 a. Sodium nitride b. Sodium nitrate c. Sodium nitrite d. Sodium hyponitrate

  7. A crystalline solid sample has a high melting point. Is this compound ionic, metallic or molecular? a. Ionic b. Metallic c. Molecular

  8. Which of the following is NOT a property of a metallic bond? • Ductile • Held together by charges • Conducts electricity • Malleable

  9. Which of the following compounds represents a molecular compound? • CO2 • NaCl • MgI2 • AlCl3

  10. Why do metallic bonds demonstrate properties such as ductile, malleable and conducts electricity? • The bonds are held together by ionic charges • The bonds are held together by the attractive forces from the positive cations and a sea of electrons • The bonds are held together by a tightly packed crystal lattice • The bonds are held together by dispersion forces

  11. What is the charge of the cation in the following formula? Cu(NO3)2 a. +1 b. +2 c. -2 d. -1

  12. Which of the following compounds are ionic? a. KI b. NO2 c. OF2 d. CO

  13. Homework: • Finish Formula Wkst #1 • Mole Extra Credit due Monday!!!

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