元素的化学取决于在它的电子是在原子的排列方式。这种安排是现代元素周期分类的基础上：周期表。
—from Structure and Bonding (Basic Concepts in Chemistry) (结构和成键（基本概念，化学）), a book by Jack Barrett
Active since February 27, 2010.
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| Rank | Username | WPM | Accuracy | Date |
|---|---|---|---|---|
| 33. | Rui-Wei (rwduzhao) | 50.01 | 80% | 2015-05-25 |
| 34. | Linbi (balabala) | 49.19 | 56% | 2015-09-13 |
| 35. | Liuyuan (fragments) | 47.07 | 27% | 2016-03-16 |
| 36. | Mandy (mandy221) | 46.37 | 73% | 2013-07-24 |
| 37. | m_eLange (m_elange) | 45.30 | 18% | 2011-12-02 |
| 38. | Lau (janicelau) | 45.18 | 67% | 2018-05-01 |
| 39. | zhao (zhaozy) | 45.02 | 31% | 2012-04-11 |
| 40. | Hang (nhanhhonnua) | 44.99 | 83% | 2017-06-07 |
| 41. | Rex (593153562) | 44.19 | 75% | 2014-06-16 |
| 42. | 傻逼 (sohaiza) | 44.08 | 84% | 2017-11-08 |
| 43. | Monny (monny025) | 43.42 | — | 2010-09-25 |
| 44. | Celeste (cccceleste) | 43.30 | 19% | 2015-10-11 |
| 45. | 骑猪撞大象 (ggccc) | 42.63 | 94% | 2017-11-06 |
| 46. | eve (evetan1231) | 40.13 | 85% | 2017-11-07 |
| 47. | Karlen (karlen) | 39.65 | 18% | 2014-10-04 |
| 48. | Shaokai (0731wsk) | 33.16 | 18% | 2013-11-29 |
| 49. | 搅基 (shabi) | 30.97 | 19% | 2013-03-13 |
| 50. | song (yan19) | 26.07 | 100% | 2012-04-11 |
| 51. | sun (sunlucy) | 22.91 | 92% | 2012-04-18 |
| 52. | alexee (alexsee) | 22.84 | — | 2011-03-25 |
| 53. | Em (em_2013) | 22.59 | 94% | 2013-03-03 |
| 54. | Tina (heyim1007) | 22.45 | 27% | 2011-05-24 |
| 55. | Clavier : Bépo (kochiro2) | 14.86 | 90% | 2012-05-15 |
| 56. | Wang (wangyu) | 11.38 | 28% | 2012-04-11 |
| Universe | Races | Average WPM | First Race |
|---|---|---|---|
| Simplified Chinese | 74 | 58.47 | February 27, 2010 |