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