Periodic Table of Elements

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Across
  1. 2. It supports life.
  2. 5. It has 58 number of electrons.
  3. 6. Second most abundant element on Earth
  4. 7. It is the atomic number 27.
  5. 10. It is a metalloid and has a 33 number of protons.
  6. 14. Used in missiles and airplanes.
  7. 16. It's number of neutrons is 48, atomic mass of 83.8 amu.
  8. 18. It means "new" uses in lighting.
  9. 21. Comes from the greek word iridus.
  10. 22. It can be used as semiconductor production and it comes from a latin word "Gallia"
  11. 23. Itb was named after Glenn T. Seaborg.
  12. 26. Bananas are rich in this mineral.
  13. 27. Element number 109
  14. 30. It is the new element 112.
  15. 31. Comes from the greek word "protos"; symbol: Pa
  16. 35. It was discovered by Nils Sefstrom in 1830
  17. 36. It is classified as rare earth metal.
  18. 37. Obtained from zircon
  19. 40. Has an electron configuration of 2-1.
  20. 42. It has an atomic mass of 178.49 amu and was discovered by Dirk Coster
  21. 43. It is a bright, fairly hard, silvery white metal. It is one of the lanthanide rare earth metals.
  22. 44. Named after the country France.
  23. 46. Comes from the latin word "ferrum"
  24. 47. It was obtained from table salts.
Down
  1. 1. It has 33 protons and was discovered in 1811
  2. 3. A transition metal and used in surgical purposes.
  3. 4. Coating for steal cans and it is the element number 50
  4. 5. DIscovered by Sir Humphrey Davey; It is the life forms of our bones.
  5. 8. It is the atomic number 76
  6. 9. It has an atomic number of 74.
  7. 10. It has a symbol of Am.
  8. 11. Heat resistant alloy and it is a metalloid.
  9. 12. It was obtained from monazite and discovered by Johann Gadolin.
  10. 13. Used as rust protection and metal coating.
  11. 15. Named after the planet Uranus.
  12. 17. From the greek goddess of wisdom "pallas"
  13. 19. It has an atomic mass of 18.998404 amu and atomic number 9.
  14. 20. Old Ununium and it is the element 111
  15. 24. Comes from a greek word "hudor"(water) and "gennan"(generate)
  16. 25. Named after California.
  17. 28. It has an atomic number of 75
  18. 29. It is known as quicksilver.
  19. 32. Came from the word "technetos"
  20. 33. Discovered by Sir William Crookes and comes from the greek word "thallos"
  21. 34. It is a transition metal and has a 108 number of protons.
  22. 38. It has a symbol of Cr.
  23. 39. It has a symbol of Cd.
  24. 41. Symbol: Pb
  25. 45. Comes from the greek word "carbo"