periodic table

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Across
  1. 1. a column of elements with similar properties on the Periodic Table
  2. 4. a property used to describe a material that breaks or fractures with a small amount of force
  3. 5. a material that prevents heat or electricity from easily passing through
  4. 8. the most reactive metal elements
  5. 11. an element characterized by physical properties that include shininess, malleability, ductility and conductivity
  6. 12. a property used to describe a material that can be drawn into a long wire
Down
  1. 2. A row of the periodic table
  2. 3. a property used to describe a material that can be pounded into shapes
  3. 6. an element characterized by physical properties that include dull, brittle, and poor conductivity
  4. 7. The most reactive nonmetal elements found in group 17 of the periodic table
  5. 9. the average mass of all the atoms of an element
  6. 10. the chart of the elements showing the repeating pattern of their properties