Periodic Elements

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Across
  1. 2. The first discovered element.
  2. 3. By wearing this kind of jewelry,it can reduce muscle stiffness and pain.
  3. 5. A gas used for bright, colored lighting.
  4. 7. Sounds like a planet in the solar system.
  5. 8. A mineral for growth and development.
  6. 10. The gas that goes into balloons.
  7. 11. A metallic element that is used for coins and jewelry.
Down
  1. 1. Named after a popular state.
  2. 4. It is used as a pigment.
  3. 6. The air that you breathe.
  4. 9. You may know it as a coin.