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Across
  1. 2. a column of elements with similar properties on the periodic table
  2. 7. the number of protons in an atom, determines arrangement of elements in the periodic table
  3. 9. a row of the periodic table
  4. 10. the average mass of all the atoms of an element
Down
  1. 1. the chart of elements showing the repeating pattern of their properties
  2. 3. a property used to describe a material that can be drawn into long wires
  3. 4. an element characterized by physical properties that include dull, brittle, and poor conductivity
  4. 5. a property used to describe a metal that can be pounded into shapes
  5. 6. a property used to describe the ability to transfer heat or electricity to another object
  6. 8. an element characterized by physical properties like shininess, malleability ductility, and conductivity