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4 Written questions

4 Multiple choice questions

  1. Groups 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. Vertical column in the periodic table
  3. highly reactive, group 1
  4. recurring or reappearing from time to time

4 True/False questions

  1. Noble Gasseshighly reactive, group 1


  2. Halogensgroup 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


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


  4. periodhorizontal row of elements in the periodic table