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 |
|---|---|---|---|---|
| 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 |
| 113. | tang (fayfay31) | 57.20 | 97% | 2011-08-30 |
| 114. | Dicky (dicky20) | 56.34 | 72% | 2011-05-08 |
| 115. | Robert (hsk0114) | 55.84 | — | 2010-04-02 |
| 116. | 陳鵬宇 (a13524000) | 55.70 | — | 2010-10-03 |
| 117. | helen (gloriashelen) | 55.35 | — | 2010-09-09 |
| 118. | lee (leejuly29) | 55.28 | 95% | 2012-01-10 |
| 119. | 尚恩 (taiwanshaun) | 55.04 | — | 2011-02-08 |
| 120. | tree (w1988) | 54.74 | 27% | 2012-08-13 |
| 121. | tamira (kktam) | 54.44 | — | 2009-12-04 |
| 122. | alan (grando08855) | 54.31 | — | 2010-03-31 |
| 123. | natasha (hayouu) | 54.11 | 78% | 2018-08-09 |
| 124. | Ng (tutucin) | 54.05 | — | 2011-04-27 |
| 125. | Keith (korver) | 53.82 | — | 2010-10-08 |
| 126. | WKGN (ngkw) | 53.78 | 95% | 2013-09-20 |
| 127. | KAM (ben132452) | 53.00 | 97% | 2015-02-03 |
| 128. | Candy (candyleica) | 52.98 | 100% | 2011-06-03 |
| 129. | Jacky (jackychelsea) | 52.74 | — | 2010-07-13 |
| 130. | Victoria (victoria63) | 52.59 | 63% | 2016-03-12 |
| 131. | evans (yuen1204) | 52.44 | — | 2011-04-17 |
| 132. | R之燈圖子 (snroc50w846) | 52.24 | — | 2010-08-24 |
| 133. | Lampard (wailampard) | 52.15 | — | 2010-06-21 |
| Universe | Races | Average WPM | First Race |
|---|---|---|---|
| Traditional Chinese | 475 | 48.96 | December 4, 2009 |