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 |
|---|---|---|---|
| 19434 | 2016-01-08 22:39:57 | 115.83 | 99% |
| 19028 | 2014-09-25 07:30:45 | 103.27 | 96% |
| 18779 | 2013-10-26 16:16:46 | 93.31 | 91% |
| 18503 | 2013-07-16 19:11:35 | 113.46 | 98% |
| 18006 | 2013-05-16 21:16:08 | 111.96 | 95% |
| 17866 | 2013-05-06 19:07:29 | 111.21 | 96% |
| 17142 | 2012-12-14 21:41:57 | 101.59 | 94% |
| 16320 | 2012-09-01 22:38:51 | 109.14 | 95% |
| 16240 | 2012-08-11 03:46:11 | 102.00 | 93% |
| 16182 | 2012-06-30 18:31:06 | 102.84 | 94% |
| 16113 | 2012-06-25 03:03:02 | 125.43 | 100% |
| 16109 | 2012-06-25 03:00:14 | 115.15 | 96% |
| 16097 | 2012-06-25 02:39:15 | 111.06 | 95% |
| 14826 | 2012-02-17 18:01:25 | 105.44 | 94% |
| 14672 | 2012-02-07 04:15:39 | 114.61 | 96% |
| 14640 | 2012-02-07 00:16:29 | 107.17 | 95% |
| 14559 | 2012-02-05 22:04:58 | 110.77 | 96% |
| 14404 | 2012-02-01 19:35:19 | 108.87 | 95% |
| 14134 | 2012-01-21 15:35:37 | 82.02 | 88% |
| 13571 | 2011-12-20 00:24:53 | 108.66 | 96% |
| 13163 | 2011-12-06 03:10:42 | 110.51 | 97% |
| 12577 | 2011-11-30 18:02:36 | 89.44 | 94% |
| 12551 | 2011-11-29 20:34:51 | 103.01 | 94% |
| 12510 | 2011-11-29 18:54:28 | 91.49 | 91% |
| 12442 | 2011-11-28 23:26:57 | 109.03 | 94% |
| 11260 | 2011-11-18 15:33:28 | 77.19 | 92% |
| 10063 | 2011-11-01 00:30:38 | 89.54 | 93% |
| 9907 | 2011-10-29 02:12:45 | 82.90 | 87% |
| 9798 | 2011-10-27 17:02:38 | 80.20 | 94% |
| 9690 | 2011-10-27 11:24:19 | 94.82 | 95% |
| 8630 | 2011-10-21 10:14:13 | 90.48 | 93% |
| 7836 | 2011-10-17 09:49:35 | 110.90 | 99% |
| 7795 | 2011-10-16 19:06:35 | 93.66 | 93% |
| 7709 | 2011-10-16 14:14:54 | 110.40 | 97% |
| 6867 | 2011-09-30 23:04:05 | 103.45 | 96% |
| 6777 | 2011-09-30 18:55:53 | 85.82 | 94% |
| 5487 | 2011-09-14 23:22:56 | 84.67 | 91% |
| 4789 | 2011-09-07 18:32:12 | 86.47 | 92% |
| 4689 | 2011-09-07 15:40:05 | 87.68 | 94% |
| 4497 | 2011-09-06 18:23:44 | 86.69 | 91% |
| 4381 | 2011-09-05 21:01:24 | 95.72 | 93% |
| 3669 | 2011-08-30 14:22:29 | 90.04 | 94% |
| 3211 | 2011-08-28 13:22:51 | 94.55 | 94% |
| 3177 | 2011-08-28 12:49:06 | 96.96 | 97% |
| 1308 | 2011-08-14 14:44:38 | 88.60 | 97% |
| 479 | 2011-08-09 22:16:58 | 81.34 | 95% |
| 465 | 2011-08-09 22:03:33 | 96.22 | 96% |
| 256 | 2011-08-09 07:21:14 | 90.34 | 97% |
| 14 | 2011-08-08 20:19:50 | 86.11 | 95% |