Chemistry

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Across
  1. 1. Another name of Fraxinus (Biology)
  2. 4. What is the property of be-8
  3. 9. What kind of bonding happens between metal and non-metal
  4. 10. which group does promethium in
  5. 12. It is gas at room temperature, It’s a halogen
  6. 14. which metal is liquid at room temperature
  7. 17. What is the 28th element
  8. 18. Which subject is the study of living things
  9. 19. What is the lightest transition metal
  10. 22. The least stable element
  11. 25. which halogen is liquid at room temperature
  12. 26. What is the alkali metal in third period
  13. 27. What is the property of Carbon-12
  14. 30. Which element has the boiling point of about 30 degrees
  15. 31. Symbol of krypton
  16. 34. Pb
  17. 37. which group does Lr in
  18. 38. Who invent this a2 + b2 = c2
  19. 40. What is UO2(C2H3O2)2·2H2O
  20. 43. Who discovered the dispersion of light (he comes from Britain)
  21. 44. Which subject is the study of the world
  22. 47. Use a word to describe Chemistry (end with “!”)
  23. 48. Which gas is the third common gas in atmosphere (the second is oxygen)
  24. 49. Who fond the Radium
  25. 50. What kind of bonding happens between metals
  26. 51. Which part of the heart connect with vena cava
  27. 53. What does ∑ call
  28. 63. What is the process of solid things transfer to gas state
  29. 64. What is CaCO3
  30. 66. Which subject is the study of numbers
  31. 67. The westernmost country in Africa
  32. 68. What is the heaviest metal
  33. 69. What’s the lightest rare gas
  34. 72. It is a country which has the highest GDP for capita
  35. 74. What kind of bonding happens between non-metals
  36. 75. What is the heaviest rare gas
  37. 76. H
  38. 77. It is a country which has the highest GDP
  39. 78. Who invent a formula which could calculate the area of a triangle with tree sides
  40. 79. It is a country with the most population
  41. 80. It is a known person accused or suspected of committing a crime
  42. 83. K
  43. 84. It is closely related to the concept of remorse, regret, as well as shame
Down
  1. 2. Na
  2. 3. Which element has atomic mass of 20
  3. 5. a pneumoconiosis caused by inhalation of very fine silicate or quartz dust (the longest word in the world)
  4. 6. It is a representative, deputy or substitute
  5. 7. Where is bile come from
  6. 8. Symbol of silicon
  7. 11. Sn
  8. 13. What is the provisional name of the 1234567890th element (it’s inexistent) (think about prefixes of numbers)
  9. 15. What’s the lightest alkaline-earth metals
  10. 16. Au
  11. 20. Which part does gas exchanges take place in lungs
  12. 21. What is the property of Uranium-237
  13. 23. Which part of the blood vessel connect with left ventricle
  14. 24. What is HCHO
  15. 26. What is Fe2(Si2O3)3
  16. 28. What is the name of C20H35AuO9PS
  17. 29. What is C6H12O6
  18. 32. The most reactive discovered alkali metal
  19. 33. The most common last name in china
  20. 35. A compound which is made from 3 halogens, it’s a medicine
  21. 36. At
  22. 39. Ti
  23. 41. what’s the lightest metal?
  24. 42. Which subject is the study of substances
  25. 45. What does Ti-6Al-4V called
  26. 46. Which gas is the most common gas in atmosphere
  27. 52. Salt
  28. 54. An elemrnt in boron group
  29. 55. The most stable element
  30. 56. What is the element that steels made from (apart form iron)
  31. 57. Which element has 30 electrons
  32. 58. what is OH
  33. 59. which group of elements have 8 electrons in the outmost shell
  34. 60. What does a non-metal form when it contact oxygen and water
  35. 61. What is C20H40N4S8Se
  36. 62. What is the formula of anaerobic respiration
  37. 65. Maximum disturbance caused by a wave measured from middle to the peak or the trough
  38. 70. HIO3
  39. 71. Ag
  40. 73. A gum which is made from hydrogen carbon oxygen sulfur
  41. 81. It is a ceremonial county of England in East Anglia.
  42. 82. Fe