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4 Written questions

4 Multiple choice questions

  1. the principle that chemical properties of the elements are periodic functions of their atomic numbers
  2. Vertical column in the periodic table
  3. non-metals, group 18, the most non-reactive elements
  4. 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 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. Henry Moseleynon-metals, group 18, the most non-reactive elements


  3. Akali Metalsgroup 17; contains nonmetals; 7 electrons in its outermost energy level; very reactive; poor conductors of electric current; never in its uncombined form in nature; combine with most metals to form salts


  4. Akaline-Earth Metalshighly reactive, group 1