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5 Written questions

5 Matching questions

  1. atom
  2. atomic radius
  3. protons
  4. francium
  5. intermolecular forces
  1. a one-half the distance between the nuclei of identical atoms that are bonded together
  2. b the smallest particle of an element that retains the chemical properties of that element
  3. c which of the following elements has the largest atomic radius?
  4. d forces of attraction between molecules
  5. e the atomic number of an element is the number of ______ of each atom of that element

5 Multiple choice questions

  1. when two or more valid Lewis structures can be drawn for a molecule
  2. a positively charged ion results from ________ electrons
  3. In general, a calculated answer cannot be more precise than the ________ measurement form which it was calculated.
  4. valence electrons in metal atoms can be modeled as ___________
  5. a general term for a specific isotope of an element

5 True/False questions

  1. electronegativitywhether a bond will be ionic or covalent depends on the difference in ____________ of the atoms involved

          

  2. cationthe smallest particle of an element that retains the chemical properties of that element

          

  3. precisiona positively charged ion

          

  4. conversion factorthe energy change that occurs when an electron is acquired by a neutral atom

          

  5. mass numberAre leading zeroes ever significant figures?

          

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