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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. group 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. highly reactive, group 1
  4. the principle that chemical properties of the elements are periodic functions of their atomic numbers

4 True/False questions

  1. Noble Gassesnon-metals, group 18, the most non-reactive elements

          

  2. Dmitri Mendeleevproposed 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

          

  3. grouphorizontal row of elements in the periodic table

          

  4. Henry Moseleyproposed 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