Practice Quiz

Praxis II: Chemistry Exam Prep - Question List

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51. Which of the following elements is most easily oxidized?
  1. Nitrogen
  2. Fluorine
  3. Lithium
  4. Neon
  5. Sulfur
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52. Which of the following is false about the ionic character of bonds?
  1. Covalent bonds never have ionic character
  2. Covalent bonds have some ionic character because not all electron sharing is equal
  3. Due to partial ionic character, one atom in a covalent bond will have a partial positive charge
  4. Due to partial ionic character, one atom in a covalent bond will have a partial negative charge
  5. The ionic character of a bond is due to the polarity of the atoms in the bond.
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53. What is the percentage composition by mass of hydrogen in the compound CH3OH?
  1. 12.6 percent
  2. 9.4 percent
  3. 49.9 percent
  4. 37.5 percent
  5. 74.9 percent
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54. Which of the following families contains characteristically nonreactive elements?
  1. Alkali metals
  2. Alkaline earth metals
  3. Halides
  4. Halogens
  5. Noble gases
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55. What term classifies a phase change from a solid directly to a gas?
  1. Vaporization
  2. Deposition
  3. Effervesence
  4. Fusion
  5. Sublimation
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