Periodic Table

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Across
  1. 1. / This element has the chemical symbol Fe, and is used in cars
  2. 4. / A useful gas (element) we breath in to help us live
  3. 6. / Tiny particles that are far too small to see even with a microscope
  4. 7. / Used in swimming pools to kill germs and stings eyes
  5. 9. / Made up of two or more atoms. The atoms can be the same or different
  6. 10. / A noble gas used in balloons
  7. 11. / This element is in every living thing
Down
  1. 2. / A noble gas that is used in advertising lights, like New York City
  2. 3. / A very reactive group 1 metal
  3. 5. / This element is the only metal that is a liquid at room temperature. Also used in themometers
  4. 7. / Made up of two or more different types of atoms
  5. 8. / Made up of one type of atoms