Unit 3: Ionic and Metallic Substances Review Honors Chemistry 1. Which of the following is ionic? A. B. C. D. NF3 HCl CuCl2 CO2 2. Which of the following is covalent? A. B. C. D. MgO H3N FeO ZnCl 3. To form an ion Nitrogen will A. B. C. D. Lose 3 electrons to become N3Lose 3 electrons to become N3+ Gain 3 electrons to become N3Gain 3 electrons to become N3+ 4. To form an ion K will A. B. C. D. Lose 1 electron to become KLose 1 electron to become K+ Gain 1 electron to become KGain 1 electron to become K+ 5. What is the correct name for CaCl2? A. B. C. D. E. calcium chloride calcium dichloride monocalcium dichloride calcium (I) chloride calcium (II) chloride Need help with naming? Watch this. 6. What is the correct name for CuCl2? A. B. C. D. E. copper chloride copper dichloride monocopper dichloride copper (I) chloride copper (II) chloride Need help with naming? Watch this. 7. What is the correct name for NaOH? A. B. C. D. E. sodium oxygen hydride sodium hydroxide Sodium monooxygen monohydride sodium (I) hydroxide sodium (II) hydroxide Need help with naming? Watch this. 8. What is the correct name for NH4Cl? A. B. C. D. nitrogen tetrahydrogen chloride nitrogen (I) tetrahydrogen chloride ammonium chloride ammonium (I) chloride Need help with naming? Watch this. 9. What is the correct name for FeC2H3O2? A. B. C. D. iron carbon hydrogen oxide iron (I) carbon hydrogen oxide Iron (I) dicarbon tri hydrogen dioxide iron (I) acetate Need help with naming? Watch this. 10. What is the correct formula for magnesium oxide? A. B. C. D. Mg2O2 MgO MgO2 Mg2O Need help with naming? Watch this. 11. What is the correct formula for mercury (II) sulfite? A. B. C. D. HgSO3 HgSO4 Hg2(SO3)2 Hg(SO3)2 Need help with naming? Watch this. 12. What is the correct formula for iron (III) oxide? A. B. C. D. FeO Fe2O3 Fe3O2 Fe(OH)3 Need help with naming? Watch this. 13. What is true about electrons in ionic bonds? A. Electrons are shared equally B. Electrons are shared unequally C. Electrons are transferred from the metal to the nonmetal D. Electrons are transferred from the nonmetal to the metal E. Electrons move freely in in a “sea of electrons 14. What is true about electrons in nonpolar covalent bonds? A. Electrons are shared equally B. Electrons are shared unequally C. Electrons are transferred from the metal to the nonmetal D. Electrons are transferred from the nonmetal to the metal E. Electrons move freely in in a “sea of electrons 15. What is true about electrons in polar covalent bonds? A. Electrons are shared equally B. Electrons are shared unequally C. Electrons are transferred from the metal to the nonmetal D. Electrons are transferred from the nonmetal to the metal E. Electrons move freely in in a “sea of electrons 16. What is true about electrons in metallic bonds? A. Electrons are shared equally B. Electrons are shared unequally C. Electrons are transferred from the metal to the nonmetal D. Electrons are transferred from the nonmetal to the metal E. Electrons move freely in in a “sea of electrons 17. Why is it incorrect to call NaCl a molecule? A. Molecules contain more than two atoms B. Molecules occur between a metal/nonmetal C. Many ions of Na+ and Cl- exist in a crystal lattice D. One ion of Na+ and Cl- have an ionic bond E. The sodium ion forms a metallic bond with other sodium ions 17. What is the general trend of electronegativity on the periodic table? A. Electronegativity decreases as you move to the left and up B. Electronegativity decreases as you move to the right and down C. Electronegativity decreases as you move to the left and down D. Electronegativity decreases as you move to the right and up 17. Which is more electronegative, carbon, nitrogen, sulfur or phosphorus? A. B. C. D. carbon nitrogen sulfur phosphorus 18. Fill out this table with formulas K Br CO32- N PO43- Ca Cr (III) Pb (IV) 18. Fill out this table with formulas K Ca Cr (III) Pb (IV) Br KBr CaBr2 CrBr3 PbBr4 CO32- K2CO3 N K3N PO43- CaCO3 Cr2(CO3)3 Pb(CO3)2 Ca3N2 CrN K3PO4 Ca3(PO4)2 CrPO4 Pb3N4 Pb3(PO4)4 19. For K and S: a.) draw the electron dot structure b.) show the transfer of electrons to form ions c.) draw the resulting ions d.) write the formula of the compound they form .. . .S . . K. K. .. .. ..2+ ..S K2S 2K+