Periodic Element Facts

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Across
  1. 4. Can form up to 10 million different compounds
  2. 7. One of the most abundant elements, however, it is rare to find on Earth
  3. 9. Colorless metal named after the Greek word for color
  4. 10. The most common element
  5. 11. Commonly associated with radioactivity and nuclear weapons
  6. 15. One of the three elements formed in the Big Bang
  7. 16. The most electronegative atom
  8. 17. Most of the Earth's rock and mantle is made of it
Down
  1. 1. One of the most popular poisons throughout the ages
  2. 2. Commonly found in salt crytals
  3. 3. One of the most inert metals in bulk
  4. 5. Has a very distinct smell
  5. 6. The first man-made element
  6. 8. Its florescence is ideal for lamps
  7. 12. Rare in its pure form but abundant in the Earth's crust
  8. 13. One of the best chemical catalysts
  9. 14. The first chemical weapon used in World War 1