Arrangement of periodic table of elements

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Across
  1. 1. is a column of elements in the periodic table of the chemical elements
  2. 5. the elements in the two long rows at the lower section of the table
  3. 6. a pure substance that cannot be broken down by any physical or chemical means into simpler substances
  4. 7. is a form of carbon that is 200 times stronger than steel
  5. 9. are good conductors from heat and electricity.
  6. 10. the actinides elements and actinium are collectively called___.
Down
  1. 2. the periodic table of elements is named after the Greek word ____ which translates to "to turn back".
  2. 3. are poor conductors and likely from anions.
  3. 4. the lanthanide elements and lanthanum are collectively called____.
  4. 8. a row of chemical elements