Belal's Scientific Challenge

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Across
  1. 2. A type of metal that turns green as it ages
  2. 5. Exposed From the air
  3. 6. A Metalloid
  4. 8. Used in baking
  5. 10. A metal used to make soda cans.
  6. 11. Used in lamps.
  7. 12. A substance used in explosives
  8. 14. A colorless gas, liquid, and solid. Boron Is a low abundance element in the solar system.
  9. 17. It is radioactive,colorless,s odorless, tasteless noble gas.
  10. 18. Valuable metal found in mines.
Down
  1. 1. Found in almost living things
  2. 2. A radioactive element with the highest atomic mass
  3. 3. An element found in fruits an vegetables.
  4. 4. Gas used in hot air balloons
  5. 7. An element found in table salt, and bleach.
  6. 9. You breath it
  7. 13. A Chemical that is bad for your lungs and heart.
  8. 15. Used to refer to a coin.
  9. 16. An element that is also a mineral.