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5 Written questions

5 Multiple choice questions

  1. occurs because electrons move freely among a metal's positively charged ions and explains properties such as ductility and the ability to conduct electricity
  2. the process of a solid changing directly to a vapor without forming a liquid
  3. ability of metals to be drawn into wires
  4. ability of metals and alloys to be rolled or hamered into thin sheets
  5. different forms of the same element having different molecular structures

4 True/False questions

  1. saltcompound formed when negative ions from an acid combine with positive ions from a base

          

  2. semiconductormaterials having conductivity properties between that of metals and nonmetals and having controllable conductivity parameters

          

  3. radioactive elementelement, such as radium, whose nucleus breaks down and emits particles and energy

          

  4. transition elementelements in Group 3-12