Periodic table crossword

123456789101112
Across
  1. 3. – The element that gives bananas their potassium.
  2. 6. – The element that is essential for breathing.
  3. 7. – A noble gas used in neon signs.
  4. 9. – The only metal that is essential in blood and helps transport oxygen.
  5. 10. – A yellow, nonmetallic element often associated with a bad smell.
  6. 11. - The lightest element in the universe.
Down
  1. 1. – This element, with the symbol Na, is found in table salt.
  2. 2. – The main element in diamonds and graphite.
  3. 4. – This element is used in balloons because it is lighter than air.
  4. 5. – A metal that is liquid at room temperature.
  5. 8. – A metal that is commonly used in electrical wiring.
  6. 12. – The element with the chemical symbol O.