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 |
|---|---|---|---|---|
| 46. | Meqdad (meqdad) | 37.07 | 91% | 2014-04-20 |
| 47. | :D (3ned) | 36.59 | 93% | 2018-04-03 |
| 48. | Mriam (mariom) | 34.39 | 96% | 2017-01-19 |
| 49. | fatima (fkt92) | 34.29 | 97% | 2017-11-22 |
| 50. | christine (christinen22) | 33.27 | 89% | 2013-12-26 |
| 51. | Riad (dair) | 32.54 | 95% | 2014-12-28 |
| 52. | roba (rabosh) | 32.33 | 95% | 2011-05-08 |
| 53. | Mohamed (mfekry) | 32.04 | 95% | 2017-11-29 |
| 54. | أمل (amalhamadeh) | 31.95 | 97% | 2017-11-07 |
| 55. | Fares (farespsy) | 31.50 | 98% | 2017-07-02 |
| 56. | Abdulkadir (jeilani) | 31.34 | 92% | 2018-03-03 |
| 57. | mouaz (mouazo) | 31.16 | 97% | 2013-05-05 |
| 58. | Mohammed Khaja Ahsanuddin (... | 30.88 | 95% | 2016-06-19 |
| 59. | malak (malak1990) | 30.84 | 85% | 2013-03-25 |
| 60. | ربا (rabrob) | 30.43 | — | 2011-04-09 |
| 61. | safeer (safeer53) | 30.35 | 93% | 2013-12-11 |
| 62. | AhmedSalem (mrtempo) | 29.73 | 95% | 2014-02-01 |
| 63. | lihwa (lihwa_maya) | 29.06 | — | 2009-12-24 |
| 64. | a (adelie123) | 27.33 | 96% | 2014-08-28 |
| 65. | مريم (me0o0ma) | 26.73 | 95% | 2012-09-13 |
| 66. | abu5lod (abu5lod1) | 25.32 | 91% | 2016-11-28 |
| 67. | iyte (iyte) | 25.26 | 88% | 2011-09-28 |
| 68. | tote (talosh) | 24.62 | 97% | 2011-05-04 |
| 69. | moneer (moneersaleh) | 23.07 | 90% | 2013-02-18 |
| 70. | Suhail (suhail_jn) | 22.81 | 91% | 2016-09-17 |
| 71. | SEED (seid) | 22.08 | 97% | 2015-05-17 |
| 72. | Ars (arsalattas) | 21.46 | 86% | 2016-06-03 |
| 73. | george (georgehneno) | 20.90 | — | 2010-03-20 |
| 74. | mostafa (desha1) | 19.65 | 94% | 2017-05-19 |
| 75. | koki (katie21) | 19.12 | 91% | 2013-08-15 |
| Universe | Races | Average WPM | First Race |
|---|---|---|---|
| Arabic | 189 | 37.71 | December 24, 2009 |