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.
117 total characters in this text.
View Pit Stop page for this text
| Rank | Username | WPM | Accuracy | Date |
|---|---|---|---|---|
| 51. | Kyo (flyapig) | 75.34 | 40% | 2011-08-14 |
| 52. | May (makibaop) | 75.11 | 75% | 2011-05-03 |
| 53. | peng (s11e22) | 74.94 | — | 2010-05-25 |
| 54. | mai (geminimai) | 74.68 | 22% | 2012-03-16 |
| 55. | Tan (giriel888) | 73.32 | 48% | 2011-11-24 |
| 56. | 嘸蝦米 (s601039075) | 72.90 | — | 2010-12-21 |
| 57. | J (riseagain) | 72.78 | — | 2010-06-24 |
| 58. | Kenneth (klg_) | 72.43 | — | 2011-01-08 |
| 59. | alan (alanlaw999) | 72.20 | 24% | 2016-04-09 |
| 60. | jimmy (mrwong1894) | 72.16 | — | 2010-12-22 |
| 61. | Dxball (dxball) | 72.10 | — | 2010-08-16 |
| 62. | Frankie (frdkielo) | 72.10 | 50% | 2014-06-19 |
| 63. | Po-Yu (xvmovx) | 71.35 | — | 2010-02-26 |
| 64. | Alice Hung (hungsuetyu) | 71.14 | 50% | 2013-02-10 |
| 65. | SUNSUN (sunsunlee) | 70.82 | 31% | 2011-07-29 |
| 66. | SQUARE (wwfwwf) | 70.73 | — | 2011-03-01 |
| 67. | why (hkcwcc) | 70.54 | — | 2010-07-29 |
| 68. | Star (starkennim) | 70.45 | 97% | 2012-05-05 |
| 69. | Emily (emilytsoi21) | 70.34 | 22% | 2016-05-05 |
| 70. | JoJo (jojohk) | 70.34 | — | 2010-04-16 |
| 71. | Sir (lipwy) | 70.23 | — | 2011-03-03 |
| 72. | Matthew (matthew1991314) | 70.21 | — | 2010-09-26 |
| 73. | Johnny (happychau123) | 69.55 | 52% | 2014-08-25 |
| 74. | ky (bbchuz) | 69.52 | 44% | 2011-06-26 |
| 75. | Sharon (sharonxdd) | 68.66 | 81% | 2011-12-03 |
| 76. | Victor (victor_kan) | 68.55 | 97% | 2013-06-10 |
| 77. | llai (llai) | 67.84 | 100% | 2012-03-03 |
| 78. | 亨利 (henry034) | 67.76 | — | 2010-08-22 |
| 79. | night (output) | 67.26 | — | 2010-11-28 |
| 80. | ironed (ironed) | 67.06 | — | 2010-12-04 |
| Universe | Races | Average WPM | First Race |
|---|---|---|---|
| Traditional Chinese | 475 | 48.96 | December 4, 2009 |