The Periodic Table

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Across
  1. 2. Most easily oxidized element
  2. 3. What type of metal is manganese
  3. 9. Element with 18 electrons
  4. 10. Element discovered in 1898 by Marie Curie
  5. 13. Element with 58.69 grams
  6. 14. An element that turns purple in liquid and gas form
  7. 15. The heaviest element
  8. 18. The name of the metals in group 1
  9. 22. The name of the Gasses in group 8 on the Periodic table
  10. 23. Person who created the Periodic table
  11. 24. Element with 40 electrons
  12. 25. First artificially made element
  13. 26. The name for what Oxygen and Hydrgen make
Down
  1. 1. What element has 37 electrons?
  2. 4. The most unstable element and the least electronegative
  3. 5. Most electronegative element
  4. 6. Aluminum is most similar to __.
  5. 7. The name of the metals in group 2
  6. 8. Least easily oxidized element
  7. 11. The most stable element
  8. 12. Bromines state at STP
  9. 16. What element makes up 27.7% of Earth's crust?
  10. 17. Able to be shaped and altered without breaking
  11. 18. What type of metal is arsenic?
  12. 19. Group 1 is ___.
  13. 20. This element makes up 25% of the universe and has the smallest radius
  14. 21. Rows of the periodic table are called __.