Practice Quiz

Praxis II: Chemistry Exam Prep - Question List

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6.

True or False: An activated complex is a high-energy species formed during the conversion of reactants to products in a chemical reaction. 

  1. True
  2. False
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7. Which of the following pairs of compounds are allotropes?
  1. CO2 and CH4
  2. NH4+ and NH3
  3. NaCl and LiCl
  4. O2 and O3
  5. Ne and Ar
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8. Which of the following symbols represents the angular quantum number?
  1. m
  2. aq
  3. l
  4. s
  5. n
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9. A neutral element has 45 neutrons per atom and a mass number of 80. What is the identity of this element?
  1. Chlorine
  2. Bromine
  3. Mercury
  4. Rhodium
  5. Calcium
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10. Which of the following elements has the largest atomic radius?
  1. Lithium
  2. Boron
  3. Fluorine
  4. Potassium
  5. Rubidium
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