SAT II Chemistry Exam Prep - Question List

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21. Which of the following metals reacts explosively when placed in water?
  1. Manganese
  2. Silver
  3. Zinc
  4. Sodium
  5. Chromium
22. Which pair of elements and/or ions is isoelectronic?
  1. F- and Cl-
  2. O and Na
  3. K+ and Ar
  4. Mg2+ and S
  5. Br and Kr
23. Ag+(aq) + e- --> Ag(s)

In an electrolytic cell, where could this chemical reaction occur?
  1. Anode
  2. Cathode
  3. Salt bridge
  4. In solution
  5. This reaction could not occur in an electrolytic cell
24. Which of the following compounds is classified as amphoteric?
  1. H2O
  2. HCl
  3. NaOH
  4. HClO4
  5. HI
25. What is the expected H-C-H bond angle in a molecule of CH4?
  1. 90 degrees
  2. 109.5 degrees
  3. 120 degrees
  4. 60 degrees
  5. 100 degrees

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