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5 Written questions

5 Multiple choice questions

  1. different forms of the same element having different molecular structures
  2. the process of a solid changing directly to a vapor without forming a liquid
  3. occurs because electrons move freely among a metal's positively charged ions and explains properties such as ductility and the ability to conduct electricity
  4. element, such as radium, whose nucleus breaks down and emits particles and energy
  5. element that typically is a hard, shiny solid, is malleable, and is a good conductor of heat and electricity

4 True/False questions

  1. nonmetalelement that usually is a gas or brittle solid at room temperature, is not malleable or ductile, is a poor conductor of heat and electricity, and typically is not shiny

          

  2. transition elementelements in Group 3-12

          

  3. diatomic moleculeability of metals and alloys to be rolled or hamered into thin sheets

          

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