Periodic Table Crossword Puzzle

123456789
Across
  1. 2. Mass/ the average mass of all the atoms of an element
  2. 3. Gases/ unreactive nonmetal gas elements found in group 18 of the periodic table
  3. 5. a material that prevents heat or electricity from easily passing through
  4. 6. a row of the Periodic Table
  5. 7. metal elements found in period 6 of the periodic table
  6. 8. a property used to describe a material that can be pounded into shapes
  7. 9. a property used to describe a material that can be drawn into a long wire
Down
  1. 1. the most reactive nonmetal elements found in group 17 of the periodic table
  2. 4. radioactive metal elements found in period 7 of the periodic table
  3. 8. An element with characteristics of both metals and nonmetals