Chemistry crossword

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Across
  1. 6. made up of one type of atom.
  2. 8. shape, size state change.
  3. 9. ability to flow electricity and heat.
  4. 12. found on the left side of the periodic table.
  5. 13. solid formation during chemical change.
  6. 14. can flow electricity at certain temperature.
  7. 16. determines that an object will sink or float.
Down
  1. 1. ability to be stretched into sheets.
  2. 2. these elements are brittle and dull.
  3. 3. these elements are at the stair step.
  4. 4. change leads to formation of new substance.
  5. 5. Smallest unit of any matter.
  6. 7. amount of space taken by an object.
  7. 10. ability to be pulled into wires.
  8. 11. made up of more than one type of atom.
  9. 12. made up of more than one type of atom but not bonded.
  10. 15. amount of matter in an object.