在化學元素是由方式的電子被安排在原子。這種安排是根據現代週期分類元素：週期表。
—from Structure and Bonding (Basic Concepts in Chemistry) (結構和成鍵（基本概念，化學）), a book by Jack Barrett
Active since December 4, 2009.
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| Rank | Username | WPM | Accuracy | Date |
|---|---|---|---|---|
| 83. | xaio tain (eye2fly) | 66.30 | 95% | 2011-10-20 |
| 84. | 嘸蝦米練習中 (lithaimo) | 66.13 | 95% | 2013-03-09 |
| 85. | Erin (erin5222) | 65.32 | 73% | 2013-05-17 |
| 86. | GMT (averager) | 64.57 | 75% | 2012-06-01 |
| 87. | 九方新手 (q9q9) | 64.56 | — | 2010-06-20 |
| 88. | AAAAAA (kit19891008) | 63.74 | 100% | 2013-03-05 |
| 89. | darkgerm (darkgerm) | 63.46 | — | 2010-08-23 |
| 90. | Michael See (michaelskw) | 63.38 | — | 2010-10-10 |
| 91. | chan (catfoodkerem) | 63.35 | 21% | 2014-07-03 |
| 92. | Crizant (crizant3908) | 63.32 | 22% | 2013-02-19 |
| 93. | zzz (zzzson999) | 63.19 | 54% | 2013-08-05 |
| 94. | J (y0u_) | 62.46 | — | 2010-08-30 |
| 95. | J (iamrising) | 62.34 | — | 2010-05-29 |
| 96. | Ling (nkling88) | 61.86 | 90% | 2012-05-31 |
| 97. | @yip (yipwingyi712) | 61.71 | 78% | 2012-06-05 |
| 98. | violet (musiclaruku) | 61.31 | — | 2010-08-24 |
| 99. | eric (ericlo) | 61.21 | — | 2010-06-21 |
| 100. | Daniel (calmsun) | 60.69 | — | 2011-02-07 |
| 101. | 子楓 (aesopc52828) | 60.57 | 73% | 2012-06-10 |
| 102. | 有福 (georgeyan11) | 60.55 | 50% | 2013-11-06 |
| 103. | John (johnholy) | 60.23 | — | 2010-11-25 |
| 104. | so (sosososo) | 59.61 | 93% | 2011-11-26 |
| 105. | Kenny (kchu) | 59.42 | 46% | 2012-02-10 |
| 106. | Toine (toine) | 59.13 | 93% | 2015-03-08 |
| 107. | Dolomon (dolomon) | 59.01 | — | 2010-04-09 |
| 108. | MingZtheNoob (mingz3434) | 58.93 | 41% | 2012-10-07 |
| 109. | Wei-Chen (cwc142857) | 58.77 | 34% | 2016-08-25 |
| 110. | Xenia (xenia_lau) | 58.06 | — | 2010-09-26 |
| 111. | SARS (ooosarsooo) | 57.95 | 100% | 2011-06-26 |
| 112. | hin (hntsh) | 57.38 | — | 2010-08-23 |
| Universe | Races | Average WPM | First Race |
|---|---|---|---|
| Traditional Chinese | 475 | 48.96 | December 4, 2009 |