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Chapter 6 - Review Chemical Names and Formulas

Chapter 6 - Review Chemical Names and Formulas. Question 1. What type of ions have names ending in -ide?. Anions. Question 2. positive. What is the electrical charge of a cation?. Question 3. Give the charge and number of electrons for the calcium ion. 2+ and 18. Question 4.

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Chapter 6 - Review Chemical Names and Formulas

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  1. Chapter 6 - ReviewChemical Names and Formulas

  2. Question 1 What type of ions have names ending in -ide? Anions

  3. Question 2 positive What is the electrical charge of a cation?

  4. Question 3 Give the charge and number of electrons for the calcium ion. 2+ and 18

  5. Question 4 How many electrons in Kr and Br1-? 36

  6. Question 5 How are cations formed? Metals lose electrons

  7. Question 6 How many electrons do Sr and Aluminum typically lose? 2 and 3

  8. Question 7 The Law of Definite Proportions shows how _________ of elements in a compound are always in the same proportions. masses

  9. Question 8 Prove the Law of Definite Proportions with the N204 7:16

  10. Question 9 Give two properties of molecular compounds Low MP Made of nonmetals Usually not water soluble

  11. Question 10 What are ionic compounds composed of? Cations and anions Or Metal and nonmetal

  12. Question 11 What is the smallest whole-number ratio of ions in an ionic compound called? Formula unit

  13. Question 12 Which of the following formulas represents an ionic compound: Kr; BaI2; N2O4 Barium Iodide

  14. Question 13 Which represents a molecular compound: Xe; ZnO; SO2 sulfur dioxide

  15. Questions 14 What are molecular compounds usually composed of? nonmetals

  16. Questions 15 Which element when combined with fluorine would most likely form an ionic compound: phosphorus; lithium; chlorine lithium

  17. Question 16 What two pieces of information is obtained given the formula C2H6O? nonmetals molecular compound C to H to O is 2:6:1

  18. Question 17 What is the charge the formula K2O? neutral

  19. Question 18 Which of the following pairs of substances best illustrates the Law of Multiple Proportions? NO and NO2 or P2O5 and PH3 nitrogen monoxide and nitrogen dioxide

  20. Question 19 What is the usual charge on an ion from Group 7A? 1-

  21. Question 20 Give the names for the compounds containing Fe2+ and Fe3+bonded to chlorine. Iron II chloride Iron III chloride

  22. Question 21 How does an element from Group 2 form ions? It loses two electrons

  23. Question 22 What type of ions are commonly formed from Group 4A elements? 4+

  24. Question 23 Give the name for CuF copper I fluoride

  25. Question 24 Polyatomic ions are tightly bound groups of _____ that are charged. molecules

  26. Question 25 Name N2O5 Dinitrogen pentoxide

  27. Question 26 An -ate or -ite at the end of a compound name usually indicates that the compound contains ___. oxygen

  28. Turn your common ion sheet over

  29. Question 27 Which ion contains the greater number of oxygen atoms?... carbonate or carbonite? Carbonate... CO32-

  30. Question 28 What is the ionic charge on the zirconium ion in the ionic compound zirconium oxide, ZrO2? 4+

  31. Question 29 The formula for ferrous chloride is... FeCl2

  32. Question 30 What is the general rule for naming acids without oxygen in them? Hydro...anion root...ic acid

  33. Question 31 Write the formula for hydrocyanic acid HCN

  34. Question 32 What are the names of the compounds formed by combining gold and sulfur? Gold III sulfide

  35. Question 33 What is the ionic charge on the thorium ion in ThO2? 4+

  36. Question 34 What is the rule for naming oxyacids? Root ion name + ic acid for the greater # of oxygen or + ous acid for the fewer # of oxygen

  37. Question 35 What is the general rule for naming acids without oxygen in them? Hydro...anion root...ic acid

  38. Question 36 What is the correct formula for calcium dihydrogen phosphate? Ca(H2PO4)2

  39. Question 37 What is the name and formula of the acid containing the phosphite ion? H3PO3 Phosphorous Acid

  40. Turn your common ion sheet over

  41. Question 38 Using your periodic table: what is the formula of the ionic compound from combining scandium and sulfur? Sc2S3

  42. Question 39 Which of the following contains the lead (IV) ion: Pb4O3; Pb2O; PbO2 PbO2

  43. Question 40 Which contains the Mn3+ ion: Mn2O3 or Mn3O2 Mn2O3

  44. Question 41 Name SnF4 Tin IV Fluoride

  45. Question 42 Write the formula for tricarbon octahydride C3H8

  46. Write the chemical equation and name for the following combinations O2- and Fe3+ CO32- Mg2+ Sn4+ and PO43-

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