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4 Written Questions

4 Multiple Choice Questions

  1. horizontal row of elements in the periodic table
  2. 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
  3. proposed modern periodic table, arranged table in order of atomic number instead of mass, came up with periodic law--physical and chemical properties of the elements are periodic functions of thier atomic number
  4. non-metals, group 18, the most non-reactive elements

4 True/False Questions

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

          

  2. Periodicrecurring or reappearing from time to time

          

  3. 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

          

  4. grouphorizontal row of elements in the periodic table

          

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