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Unit 3: Ionic and Metallic Substances Review

Unit 3: Ionic and Metallic Substances Review. Honors Chemistry. 1. Which of the following is ionic?. NF 3 HCl CuCl 2 CO 2. 2. Which of the following is covalent?. MgO H 3 N FeO ZnCl. 3 . To form an ion Nitrogen will. Lose 3 electrons to become N 3- Lose 3 electrons to become N 3+

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Unit 3: Ionic and Metallic Substances Review

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  1. Unit 3: Ionic and Metallic Substances Review Honors Chemistry

  2. 1. Which of the following is ionic? • NF3 • HCl • CuCl2 • CO2

  3. 2. Which of the following is covalent? • MgO • H3N • FeO • ZnCl

  4. 3. To form an ion Nitrogen will • Lose 3 electrons to become N3- • Lose 3 electrons to become N3+ • Gain 3 electrons to become N3- • Gain 3 electrons to become N3+

  5. 4. To form an ion K will • Lose 1 electron to become K- • Lose 1 electron to become K+ • Gain 1 electron to become K- • Gain 1 electron to become K+

  6. 5. What is the correct name for CaCl2? • calcium chloride • calcium dichloride • monocalcium dichloride • calcium (I) chloride • calcium (II) chloride Need help with naming? Watch this.

  7. 6. What is the correct name for CuCl2? • copper chloride • copper dichloride • monocopper dichloride • copper (I) chloride • copper (II) chloride Need help with naming? Watch this.

  8. 7. What is the correct name for NaOH? • sodium oxygen hydride • sodium hydroxide • Sodium monooxygenmonohydride • sodium (I) hydroxide • sodium (II) hydroxide Need help with naming? Watch this.

  9. 8. What is the correct name for NH4Cl? • nitrogen tetrahydrogen chloride • nitrogen (I) tetrahydrogen chloride • ammonium chloride • ammonium (I) chloride Need help with naming? Watch this.

  10. 9. What is the correct name for FeC2H3O2? • iron carbon hydrogen oxide • iron (I) carbon hydrogen oxide • Iron (I) dicarbon tri hydrogen dioxide • iron (I) acetate Need help with naming? Watch this.

  11. 10. What is the correct formula for magnesium oxide? • Mg2O2 • MgO • MgO2 • Mg2O Need help with naming? Watch this.

  12. 11. What is the correct formula for mercury (II) sulfite? • HgSO3 • HgSO4 • Hg2(SO3)2 • Hg(SO3)2 Need help with naming? Watch this.

  13. 12. What is the correct formula for iron (III) oxide? • FeO • Fe2O3 • Fe3O2 • Fe(OH)3 Need help with naming? Watch this.

  14. 13. What is true about electrons in ionic bonds? • Electrons are shared equally • Electrons are shared unequally • Electrons are transferred from the metal to the nonmetal • Electrons are transferred from the nonmetal to the metal • Electrons move freely in in a “sea of electrons

  15. 14. What is true about electrons in nonpolar covalent bonds? • Electrons are shared equally • Electrons are shared unequally • Electrons are transferred from the metal to the nonmetal • Electrons are transferred from the nonmetal to the metal • Electrons move freely in in a “sea of electrons

  16. 15. What is true about electrons in polar covalent bonds? • Electrons are shared equally • Electrons are shared unequally • Electrons are transferred from the metal to the nonmetal • Electrons are transferred from the nonmetal to the metal • Electrons move freely in in a “sea of electrons

  17. 16. What is true about electrons in metallic bonds? • Electrons are shared equally • Electrons are shared unequally • Electrons are transferred from the metal to the nonmetal • Electrons are transferred from the nonmetal to the metal • Electrons move freely in in a “sea of electrons

  18. 17. Why is it incorrect to call NaCl a molecule? • Molecules contain more than two atoms • Molecules occur between a metal/nonmetal • Many ions of Na+ and Cl- exist in a crystal lattice • One ion of Na+ and Cl- have an ionic bond • The sodium ion forms a metallic bond with other sodium ions

  19. 17. What is the general trend of electronegativity on the periodic table? • Electronegativity decreases as you move to the left and up • Electronegativity decreases as you move to the right and down • Electronegativity decreases as you move to the left and down • Electronegativity decreases as you move to the right and up

  20. 17. Which is more electronegative, carbon, nitrogen, sulfur or phosphorus? • carbon • nitrogen • sulfur • phosphorus

  21. 18. Fill out this table with formulas

  22. 18. Fill out this table with formulas

  23. 19. For Kand S: a.) draw the electron dot structure b.) show the transfer of electrons to form ionsc.) draw the resulting ionsd.) write the formula of the compound they form . . . . . . S K . . K .. 2K+ +S2-K2S .. .. ..

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