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Chapter 12 Science Exam Test

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4 Written Questions

4 Multiple Choice Questions

  1. highly reactive, group 1
  2. Vertical column in the periodic table
  3. Russian Chemist, demonstrated a connection between atomic mass and elemental properties arranged the elements in order of increasing atomic mass predicted the existence and properties of undiscovered elements, Russian chemist who developed a periodic table of the chemical elements and predicted the discovery of several new elements
  4. non-metals, group 18, the most non-reactive elements

4 True/False Questions

  1. Transition MetalsGroups 3-12, 1-2 electrons in the outer energy level, less reactive than alsali-earth metals, shiny, good conductor of thermal energy and electrical current, high density

          

  2. Periodic Lawa tabular arrangement of the chemical elements according to atomic number as based on the periodic law

          

  3. Henry Moseleyhighly reactive, group 1

          

  4. HalogensVertical column in the periodic table

          

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