كيمياء عنصرا هي التي تحدد الطريقة التي يتم الترتيب لها الالكترونات في الذرة. وهذه الترتيبات على أساس التصنيف الدوري الحديث للعناصر : الجدول الدوري.
—from Structure and Bonding (Basic Concepts in Chemistry) (هيكل والتسنيد (المفاهيم الأساسية في الكيمياء)), a book by Jack Barrett
Active since December 24, 2009.
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Rank | Username | WPM | Accuracy | Date |
---|---|---|---|---|
18. | Sahar (sahar_moonlight) | 57.44 | 91% | 2015-01-03 |
19. | Hamza (hamzaa_94) | 55.78 | — | 2010-06-22 |
20. | mohammed (hitmankk) | 55.45 | 92% | 2011-05-12 |
21. | Yemeni (967bytes) | 53.72 | 94% | 2017-06-12 |
22. | Mustafa (mstlion) | 52.76 | 94% | 2015-07-29 |
23. | Ali (ali.ahmed@yahoo.com) | 52.70 | 95% | 2013-03-01 |
24. | sami (ghostsna) | 48.98 | 97% | 2016-08-19 |
25. | in (uaqlover) | 47.43 | 97% | 2017-11-17 |
26. | باقية وتتمدد (is... | 46.95 | 95% | 2015-05-25 |
27. | laith (laith90) | 46.86 | 97% | 2016-12-02 |
28. | Dania (dania99) | 45.29 | 90% | 2016-02-02 |
29. | Asmaa (asmaatalal) | 45.18 | 91% | 2017-03-20 |
30. | SheKOo (shekoo) | 43.80 | — | 2010-11-14 |
31. | Junya (junia) | 42.67 | 93% | 2015-10-19 |
32. | kairy (kheireddine) | 42.66 | 98% | 2015-05-08 |
33. | 1234 (1234a) | 42.58 | — | 2010-09-17 |
34. | belmido (mokrani) | 42.28 | 97% | 2017-06-03 |
35. | molhandro (molhandro) | 41.51 | 93% | 2015-04-16 |
36. | Zeyad (aljameel) | 41.08 | 94% | 2014-12-30 |
37. | Ghadah (ghadah145) | 40.30 | 94% | 2014-08-10 |
38. | Dania (dndnatetoat) | 39.58 | 97% | 2015-05-31 |
39. | lulitta (lulitta) | 39.15 | — | 2011-04-07 |
40. | sTroo (stroo) | 39.09 | 89% | 2015-04-17 |
41. | حمزة (0_hamza_0) | 39.08 | 93% | 2018-09-04 |
42. | Noor (selaqanto) | 38.35 | — | 2010-11-15 |
43. | (zak389) | 38.13 | 90% | 2024-07-31 |
44. | Nach (nachbiz) | 37.46 | 99% | 2018-05-15 |
45. | ahmad (ahmad11) | 37.45 | 92% | 2014-03-15 |
46. | Meqdad (meqdad) | 37.07 | 91% | 2014-04-20 |
47. | :D (3ned) | 36.59 | 93% | 2018-04-03 |
Universe | Races | Average WPM | First Race |
---|---|---|---|
Arabic | 188 | 37.70 | December 24, 2009 |