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Ions. Ionic Bonds And Ionic Compounds. Molecular Compounds. Covalent Bonding. Miscellaneous. 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 400. 400. 400. 400. 400. 500. 500. 500. 500. 500. 200 Pts.

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  1. Ions Ionic Bonds And Ionic Compounds Molecular Compounds Covalent Bonding Miscellaneous 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500

  2. 200 Pts. What is the name given to the electrons in the highest occupied energy level of an atom?

  3. Valence Electrons 100 Points

  4. 100 Pts. How many valence electrons are in an atom of nitrogen?

  5. 5 200 Points

  6. 300 Pts. What is the electron configuration of the Magnesium ion?

  7. Mg+2: 1s22s22p6 300 Points

  8. 400 Pts. The octet rule states that, in chemical compounds, atoms tend to have _____.

  9. the electron configuration of a noble gas. 400 Points

  10. 500 Pts. What is the formula of the ion formed when sodium achieves noble-gas electron configuration?

  11. Na+1 500 Points

  12. 100 Pts. Under what conditions can potassium bromide conduct electricity?

  13. When melted or dissolved in water. 100 Points

  14. 200 Pts. How does oxygen obey the octet rule when reacting to form compounds?

  15. It gains electrons. 200 Points

  16. 300 Pts. What is the net charge of the ionic compound calcium fluoride?

  17. 0 or neutral 300 Points

  18. 400 Pts. Which of the following is true about an ionic compound? • It is a salt. • It is held together by ionic bonds. • It is composed of anions and cations. • All of the above.

  19. d. All of the above 400 Points

  20. 500 Pts. What is the formula of aluminum oxide?

  21. Al2O3 500 Points

  22. 100 Pts. What is shown by the structural formula of a molecule or polyatomic ion?

  23. The arrangement of bonded atoms. 100 Points

  24. 200 Pts. Why do atoms share electrons in covalent bonds? • To become ions and attract each other • To attain a noble-gas electron configuration • To become more polar • To increase their atomic numbers

  25. b. To attain a noble-gas electron configuration 200 Points

  26. 300 Pts. What are the seven diatomic molecules?

  27. H, N, O, F, Cl, Br, I 300 Points

  28. 400 Pts. What is a molecule?

  29. A neutral group of atoms joined together by covalent bonds. 400 Points

  30. 500 Pts. The melting point of a compound is 1240 °C. Is this compound most likely an ionic or a molecular compound?

  31. Ionic 500 Points

  32. 100 Pts. Which of the following is the name given to the pairs of valence electrons that do not participate in bonding in diatomic oxygen molecules? • Unvalenced pair • Outer pair • Inner pair • Unshared pair

  33. d. Unshared pair 100 Points

  34. 200 Pts. Which of the following elements can form diatomic molecules held together by triple covalent bonds? • Carbon • Oxygen • Fluorine • Nitrogen

  35. d. Nitrogen 200 Points

  36. 300 Pts. Which of the following elements can form diatomic molecules held together by triple covalent bonds? • Carbon • Oxygen • Fluorine • Nitrogen

  37. d. Nitrogen 300 Points

  38. 400 Pts. A molecule with a single covalent bond is __________. • CO2 • Cl2 • CO • N2

  39. b. Cl2 400 Points

  40. 500 Pts. Draw the correct Lewis structure for hydrogen bromide, HBr.

  41. H - Br • • •• • • 500 Points

  42. 100 Pts. What is the charge formed by an element in group 16 (VIA)?

  43. -2 100 Points

  44. 200 Pts. What is happening in an ionic bond?

  45. Atoms transfer electrons to form ions. Oppositely charged ions are then attracted. 200 Points

  46. 300 Pts. What is the formula for sodium nitride?

  47. Na3N 300 Points

  48. 400 Pts. True or FalseOxygen and Sulfur are likely to form an ionic compound.

  49. False. 400 Points

  50. 500 Pts. How many shared pairs are there in the molecule NH3?

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