The chemistry of an element is determined by the manner in which its electrons are arranged in the atom. Such arrangements are the basis of the modern periodic classification of the elements: the Periodic Table.
| Game | Time | WPM | Accuracy |
|---|---|---|---|
| 13714 | 2012-08-26 11:09:12 | 79.90 | 91% |
| 13503 | 2012-05-06 11:57:11 | 83.75 | 95% |
| 13261 | 2011-11-01 06:51:35 | 71.95 | 90% |
| 12968 | 2011-08-29 09:25:31 | 77.61 | 90% |
| 12520 | 2011-08-18 10:47:27 | 80.64 | 93% |
| 12429 | 2011-08-17 11:36:58 | 65.20 | 86% |
| 12051 | 2011-07-27 09:38:56 | 73.43 | 89% |
| 11993 | 2011-07-27 06:43:23 | 76.06 | 88% |
| 11501 | 2011-07-20 07:00:11 | 70.91 | 89% |
| 11437 | 2011-07-19 11:24:05 | 73.04 | 88% |
| 11405 | 2011-07-19 09:18:54 | 78.71 | 88% |
| 11005 | 2011-07-12 12:31:23 | 68.89 | 88% |
| 10376 | 2011-06-29 10:32:12 | 75.05 | 89% |
| 9520 | 2011-06-09 09:03:08 | 88.30 | 98% |
| 9152 | 2011-04-27 11:25:21 | 65.06 | |
| 8975 | 2011-04-25 08:53:55 | 61.73 | |
| 8919 | 2011-04-25 06:53:05 | 63.06 | |
| 8650 | 2011-04-20 13:10:45 | 62.92 | |
| 8565 | 2011-04-20 10:04:22 | 76.46 | |
| 8543 | 2011-04-20 05:48:00 | 65.26 | |
| 8214 | 2011-04-14 13:25:40 | 60.33 | |
| 8100 | 2011-04-13 12:39:00 | 49.15 | |
| 7344 | 2011-03-28 14:23:42 | 65.10 | |
| 6998 | 2011-03-23 09:22:33 | 66.12 | |
| 6573 | 2011-03-14 07:12:37 | 64.79 | |
| 6091 | 2011-03-07 09:32:43 | 67.76 | |
| 5816 | 2011-03-05 05:59:20 | 40.51 | |
| 5565 | 2011-02-28 07:17:02 | 78.61 | |
| 5523 | 2011-02-23 13:46:57 | 69.90 | |
| 5058 | 2011-02-12 11:28:39 | 66.33 | |
| 4986 | 2011-02-12 05:44:05 | 76.27 | |
| 4874 | 2011-02-11 07:14:01 | 75.46 | |
| 4798 | 2011-02-07 11:53:20 | 74.42 | |
| 4559 | 2011-02-03 12:20:27 | 66.27 | |
| 3341 | 2011-01-05 06:13:54 | 75.75 | |
| 3176 | 2011-01-03 09:53:33 | 73.54 | |
| 2840 | 2010-12-23 09:27:00 | 65.90 | |
| 2541 | 2010-12-20 11:28:06 | 70.99 | |
| 2523 | 2010-12-20 08:22:49 | 72.60 | |
| 2429 | 2010-12-17 05:39:01 | 74.57 | |
| 2407 | 2010-12-16 12:44:28 | 70.34 | |
| 2060 | 2010-12-12 05:15:24 | 63.83 | |
| 2052 | 2010-12-10 12:28:21 | 67.72 | |
| 1629 | 2010-12-02 08:33:20 | 67.64 | |
| 1062 | 2010-11-01 10:38:36 | 69.95 |