DAT Review Questions (Dental Admissions) - Question List

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31. Which of the following elements is most easily oxidized?
  1. Nitrogen
  2. Fluorine
  3. Lithium
  4. Neon
  5. Sulfur
32. What type of bonding does a molecule of NaCl display?
  1. Ionic
  2. Polar covalent
  3. Nonpolar covalent
  4. Metallic
  5. Covalent metallic
33. Which of the following is the correct molecular formula for magnesium phosphate?
  1. MgPO4
  2. Mg3(PO4)2
  3. Mg(PO4)2
  4. MgP
  5. MgP2
34. The half-life of 14 grams of a substance is 3 hours. How many grams of the substance remain after 6 hours?
  1. 3.5 grams
  2. 7.0 grams
  3. 14 grams
  4. 28 grams
  5. 7.5 grams
35. Which of the following straight-chain hydrocarbons is classified as saturated?
  1. C2H4
  2. C4H8
  3. C4H6
  4. C5H10
  5. C2H6

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