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 |
|---|---|---|---|---|
| 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 |
| 76. | Emine (emijemi) | 18.70 | 86% | 2015-08-06 |
| 77. | Suleman (mohdsulemanhyd) | 18.37 | 97% | 2015-08-16 |
| 78. | Joyce (joy83) | 17.96 | 98% | 2015-05-13 |
| 79. | Hman (mrlornsem) | 16.40 | 92% | 2014-03-18 |
| 80. | SKT (skt727) | 16.37 | 88% | 2015-09-27 |
| 81. | Malek (malek_swagger) | 16.34 | 90% | 2018-08-11 |
| 82. | abdoo (criosphinx) | 15.78 | 68% | 2011-12-13 |
| 83. | Ahmed (web_master) | 14.07 | — | 2011-04-28 |
| 84. | MUHAMAD (basil816) | 13.98 | 93% | 2014-11-11 |
| 85. | kadri (kkmasri) | 13.88 | — | 2010-11-05 |
| 86. | Bilawal (thebkboss) | 13.27 | 91% | 2015-11-21 |
| 87. | kim (kim1979) | 12.24 | 94% | 2016-11-24 |
| 88. | SUNEER (suneerpmu) | 12.14 | 90% | 2016-03-29 |
| 89. | TB (xnmbnmx) | 12.13 | 82% | 2015-10-18 |
| 90. | Arslan (arslankaraev) | 11.70 | 94% | 2016-03-14 |
| Universe | Races | Average WPM | First Race |
|---|---|---|---|
| Arabic | 189 | 37.71 | December 24, 2009 |