Elements Crossword

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Across
  1. 3. the chemical element of atomic number 101, a radioactive metal of the actinide series. It does not occur naturally and was first made in 1955 by bombarding einsteinium with helium ions.
  2. 4. the chemical element of atomic number 27, a hard silvery-white magnetic metal.
  3. 9. the chemical element of atomic number 59, a soft silvery-white metal of the lanthanide series.
  4. 10. the chemical element of atomic number 103, a radioactive metal of the actinide series. Lawrencium does not occur naturally and was first made by bombarding californium with boron nuclei
  5. 13. the chemical element of atomic number 65, a silvery-white metal of the lanthanide series. The main use of terbium is in making semiconductors.
  6. 15. a heavy, bluish-gray, soft, ductile metal, the chemical element of atomic number 82.
  7. 16. the chemical element of atomic number 108, a very unstable element made by high-energy atomic collisions.
  8. 18. the chemical element of atomic number 53, a nonmetallic element forming black crystals and a violet vapor.
  9. 20. a silvery-white metal, the chemical element of atomic number 50.
  10. 21. the chemical element of atomic number 104, a very unstable element made by high-energy atomic collisions.
  11. 24. the chemical element of atomic number 106, a very unstable element made by high-energy atomic collisions.
  12. 27. the chemical element of atomic number 88, a rare radioactive metal of the alkaline earth series. It was formerly used as a source of radiation for radiotherapy.
  13. 28. the chemical element of atomic number 73, a hard silver-gray metal of the transition series.
  14. 30. the chemical element of atomic number 66, a soft silvery-white metal of the lanthanide series.
  15. 32. the chemical element of atomic number 60, a silvery-white metal of the lanthanide series. Neodymium is a component of misch metal and some other alloys, and its compounds are used in coloring glass and ceramics.
  16. 35. the chemical element of atomic number 62, a hard silvery-white metal of the lanthanide series.
  17. 36. the chemical element of atomic number 98, a radioactive metal of the actinide series, first produced by bombarding curium with helium ions.
  18. 40. the chemical element of atomic number 58, a silvery white metal. It is the most abundant of the lanthanide elements and is the main component of the alloy misch metal.
  19. 42. the chemical element of atomic number 75, a rare silvery-white metal which occurs in trace amounts in ores of molybdenum and other metals.
  20. 43. the chemical element of atomic number 102, a radioactive metal of the actinide series. Nobelium does not occur naturally and was first produced by bombarding curium with carbon nuclei.
  21. 44. a silvery-white metal, the chemical element of atomic number 28.
  22. 45. the chemical element of atomic number 99, a radioactive metal of the actinide series. Einsteinium does not occur naturally and was discovered in 1953 in debris from the first hydrogen bomb explosion.
  23. 47. the chemical element of atomic number 105, a very unstable element made by high-energy atomic collisions.
  24. 48. the chemical element of atomic number 63, a soft silvery-white metal of the lanthanide series. Europium oxide is used with yttrium oxide as a red phosphor in color television screens.
  25. 49. the chemical element of atomic number 76, a hard, dense silvery-white metal of the transition series.
  26. 50. the chemical element of atomic number 71, a rare silvery-white metal of the lanthanide series.
Down
  1. 1. the chemical element of atomic number 100, a radioactive metal of the actinide series. Fermium does not occur naturally and was discovered in 1953 in the debris of the first hydrogen bomb explosion.
  2. 2. the chemical element of atomic number 4, a hard gray metal.
  3. 5. the chemical element of atomic number 109, a very unstable element made by high-energy atomic collisions.
  4. 6. the chemical element of atomic number 52, a brittle, shiny silvery-white semimetal
  5. 7. the chemical element of atomic number 93, a radioactive metal of the actinide series. Neptunium was discovered as a product of the bombardment of uranium with neutrons
  6. 8. the chemical element of atomic number 64, a soft silvery-white metal of the lanthanide series.
  7. 11. a strong, hard magnetic silvery-gray metal, the chemical element of atomic number 26, much used as a material for construction and manufacturing, especially in the form of steel.
  8. 12. a red-brown metal, the chemical element of atomic number 29.
  9. 14. the chemical element of atomic number 107, a very unstable element made by high-energy atomic collisions.
  10. 17. a precious shiny grayish-white metal, the chemical element of atomic number 47.
  11. 19. a precious silvery-white metal, the chemical element of atomic number 78.
  12. 22. the chemical element of atomic number 72, a hard silver-gray metal of the transition series, resembling and often occurring with zirconium.
  13. 23. the chemical element of atomic number 74, a hard steel-gray metal of the transition series.
  14. 25. a yellow precious metal, the chemical element of atomic number 79.
  15. 26. the chemical element of atomic number 92, a dense gray radioactive metal used as a fuel in nuclear reactors.
  16. 29. the chemical element of atomic number 69, a soft silvery-white metal of the lanthanide series.
  17. 31. the chemical element of atomic number 32, a shiny gray semimetal. Germanium was important in the making of transistors and other semiconductor devices, but has been largely replaced by silicon.
  18. 33. the chemical element of atomic number 70, a silvery-white metal of the lanthanide series.
  19. 34. the chemical element of atomic number 61, a radioactive metal of the lanthanide series. It was first produced artificially in a nuclear reactor and occurs in nature in traces as a product of uranium fission.
  20. 37. the chemical element of atomic number 30, a silvery-white metal that is a constituent of brass and is used for coating (galvanizing) iron and steel to protect against corrosion.
  21. 38. the chemical element of atomic number 67, a soft silvery-white metal of the lanthanide series.
  22. 39. he chemical element of atomic number 51, a brittle silvery-white metalloid.
  23. 41. the chemical element of atomic number 49, a soft silvery-white metal occurring naturally in association with zinc and some other metals.
  24. 46. the chemical element of atomic number 80, a heavy silvery-white metal which is liquid at ordinary temperatures.