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 |
|---|---|---|---|---|
| 5. | Osman (idrisidris) | 69.49 | 100% | 2016-08-15 |
| 6. | roro (roro9) | 69.25 | 98% | 2012-06-11 |
| 7. | Osman (osmanidris) | 68.84 | 97% | 2016-09-01 |
| 8. | osman (osmanosman) | 68.69 | 100% | 2016-09-14 |
| 9. | Walid (walid_ali) | 68.03 | 90% | 2015-07-01 |
| 10. | adel (namool) | 64.40 | 97% | 2013-10-29 |
| 11. | N.ss.R (iamhere) | 63.54 | 96% | 2011-07-25 |
| 12. | Raven (hattem) | 62.41 | 94% | 2011-05-12 |
| 13. | ibster (ibster) | 60.27 | 96% | 2012-12-19 |
| 14. | Almiqdad (joooker21) | 59.87 | 94% | 2016-08-28 |
| 15. | belmido (belmido) | 58.83 | 100% | 2015-11-29 |
| 16. | Maged (magmag) | 58.00 | 97% | 2011-09-11 |
| 17. | Abdellah (xthunder89) | 57.95 | 97% | 2015-12-16 |
| 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 |
| Universe | Races | Average WPM | First Race |
|---|---|---|---|
| Arabic | 189 | 37.71 | December 24, 2009 |