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 |
|---|---|---|---|
| 15362 | 2016-05-14 15:34:58 | 104.38 | 100% |
| 15128 | 2015-10-08 14:40:17 | 93.20 | 96% |
| 14722 | 2015-05-25 14:41:29 | 89.38 | 98% |
| 14422 | 2015-03-05 22:09:36 | 107.13 | 100% |
| 13816 | 2014-01-14 10:59:41 | 99.37 | 100% |
| 13803 | 2014-01-10 20:56:09 | 85.78 | 96% |
| 13255 | 2013-06-16 16:04:49 | 97.90 | 100% |
| 13140 | 2013-05-08 19:36:55 | 83.41 | 95% |
| 12708 | 2013-02-13 11:59:04 | 98.96 | 100% |
| 12122 | 2012-10-31 05:09:08 | 91.76 | 99% |
| 11906 | 2012-10-08 17:46:57 | 88.24 | 99% |
| 10248 | 2011-12-02 22:31:42 | 83.66 | 94% |
| 9871 | 2011-10-27 17:02:34 | 91.39 | 97% |
| 9764 | 2011-10-04 19:39:15 | 102.11 | 99% |
| 9506 | 2011-09-11 15:16:03 | 89.10 | 95% |
| 9407 | 2011-08-31 17:36:41 | 84.85 | 98% |
| 9323 | 2011-08-24 19:35:35 | 88.48 | 99% |
| 9084 | 2011-07-06 20:24:27 | 108.78 | 100% |
| 8732 | 2011-06-28 22:40:16 | 101.43 | 100% |
| 8062 | 2011-06-14 18:34:39 | 73.09 | 96% |
| 7981 | 2011-06-13 03:16:38 | 92.89 | 100% |
| 7790 | 2011-06-07 16:00:19 | 84.38 | 94% |
| 7538 | 2011-05-30 21:44:17 | 97.32 | 99% |
| 7381 | 2011-05-25 00:02:46 | 102.17 | 100% |
| 6466 | 2011-04-03 02:10:24 | 84.29 | |
| 5118 | 2010-10-08 19:22:30 | 86.16 | |
| 5035 | 2010-10-03 23:59:46 | 93.34 | |
| 4710 | 2010-08-25 20:24:10 | 88.15 | |
| 4684 | 2010-08-23 13:21:42 | 82.48 | |
| 4475 | 2010-06-24 03:54:02 | 87.08 | |
| 4160 | 2010-05-11 13:21:19 | 91.36 | |
| 3782 | 2009-12-22 10:03:33 | 91.12 | |
| 3647 | 2009-12-13 18:55:32 | 82.28 | |
| 3577 | 2009-12-07 15:27:43 | 80.55 | |
| 3570 | 2009-12-06 22:53:18 | 83.42 | |
| 3476 | 2009-11-30 16:08:54 | 76.72 | |
| 3004 | 2009-10-30 11:41:12 | 91.25 | |
| 2625 | 2009-10-02 18:33:02 | 81.24 | |
| 1958 | 2009-05-11 15:03:52 | 63.32 | |
| 1852 | 2009-05-08 07:44:33 | 75.11 | |
| 1634 | 2009-05-03 14:09:55 | 72.43 | |
| 1491 | 2009-04-27 08:31:02 | 86.83 | |
| 1416 | 2009-04-24 08:10:27 | 69.21 | |
| 1066 | 2009-04-14 15:13:03 | 64.86 | |
| 1052 | 2009-04-14 11:59:38 | 81.98 | |
| 1042 | 2009-04-14 10:48:34 | 79.55 | |
| 701 | 2009-02-21 20:09:11 | 68.01 | |
| 558 | 2008-12-29 17:21:25 | 76.66 | |
| 477 | 2008-12-15 14:05:49 | 83.48 | |
| 433 | 2008-12-08 04:14:45 | 71.59 |