science perfect 10

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Across
  1. 2. Horizontal row of the periodic table(there are 7)
  2. 5. Dull, poor conductivity, brittle
  3. 8. The most reactive nonmetal elements found in group 17 of the periodic table
  4. 9. Radioactive metal elements found in period 7 of the periodic table
  5. 10. Shiny, conductive, malleable
  6. 11. Metal that has the ability to be drawn out into long, thin wire
Down
  1. 1. A material that breaks or fractures with a small amount of force
  2. 3. Columns of the periodic table(there are 18)
  3. 4. of their properties
  4. 6. unreactive nonmetal gas elements found in group 18 of the periodic table
  5. 7. An element with characteristics of both metals and nonmetals