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science voc chap 19 Test

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5 Written Questions

5 Multiple Choice Questions

  1. ability of metals and alloys to be rolled or hamered into thin sheets
  2. different forms of the same element having different molecular structures
  3. a molecule that consists of two atoms of the same element
  4. compound formed when negative ions from an acid combine with positive ions from a base
  5. element, such as radium, whose nucleus breaks down and emits particles and energy

4 True/False Questions

  1. ductileability of metals to be drawn into wires

          

  2. metallic bondingoccurs because electrons move freely among a metal's positively charged ions and explains properties such as ductility and the ability to conduct electricity

          

  3. metalelement 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

          

  4. 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

          

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