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 |
|---|---|---|---|
| 19717 | 2018-04-13 20:55:39 | 116.92 | 97% |
| 18821 | 2015-01-25 07:39:13 | 123.48 | 89% |
| 18244 | 2014-11-24 21:55:10 | 141.41 | 99% |
| 16557 | 2014-01-04 02:34:47 | 144.47 | 96% |
| 16149 | 2013-12-19 03:52:53 | 142.95 | 96% |
| 15716 | 2013-12-01 21:13:52 | 100.90 | 92% |
| 15666 | 2013-11-30 21:59:21 | 152.59 | 99% |
| 12157 | 2013-09-06 02:15:07 | 120.02 | 93% |
| 12034 | 2013-08-30 09:46:11 | 139.93 | 99% |
| 11531 | 2013-08-20 19:37:40 | 127.31 | 96% |
| 11009 | 2013-08-03 03:14:19 | 136.41 | 97% |
| 10880 | 2013-07-28 18:13:51 | 115.36 | 99% |
| 9970 | 2012-06-13 19:22:25 | 122.39 | 95% |
| 9367 | 2011-07-05 05:09:37 | 152.98 | 100% |
| 8906 | 2010-12-30 14:23:09 | 117.48 | |
| 7896 | 2010-06-19 12:03:04 | 125.61 | |
| 7790 | 2010-06-05 00:30:24 | 133.00 | |
| 7595 | 2010-05-29 23:21:50 | 85.03 | |
| 7033 | 2010-05-22 06:24:04 | 108.90 | |
| 6946 | 2010-05-22 00:13:29 | 121.91 | |
| 5727 | 2010-01-22 22:55:14 | 135.23 | |
| 5407 | 2009-12-26 21:45:23 | 99.17 | |
| 5207 | 2009-12-21 10:50:50 | 111.22 | |
| 5071 | 2009-12-19 07:34:18 | 125.61 | |
| 4886 | 2009-12-10 07:12:17 | 109.51 | |
| 4289 | 2009-11-15 10:34:36 | 133.09 | |
| 4015 | 2009-11-12 03:44:19 | 107.45 | |
| 3940 | 2009-11-11 08:19:11 | 116.50 | |
| 3709 | 2009-11-05 03:53:09 | 127.85 | |
| 3424 | 2009-11-01 19:50:18 | 130.74 | |
| 3303 | 2009-10-31 21:59:41 | 123.76 | |
| 3216 | 2009-10-29 05:28:53 | 128.48 | |
| 3128 | 2009-10-28 01:31:11 | 125.15 | |
| 1962 | 2009-09-21 04:18:19 | 144.84 | |
| 1892 | 2009-09-17 22:04:52 | 141.84 | |
| 1814 | 2009-09-16 16:52:05 | 115.79 | |
| 1647 | 2009-09-09 07:21:06 | 108.23 | |
| 1473 | 2009-08-21 18:58:05 | 114.90 | |
| 1435 | 2009-08-20 04:27:10 | 144.52 | |
| 1377 | 2009-08-16 05:13:08 | 95.88 | |
| 1343 | 2009-08-12 08:11:40 | 106.15 | |
| 1286 | 2009-08-03 18:07:26 | 120.43 | |
| 1184 | 2009-07-29 19:19:55 | 104.41 | |
| 1088 | 2009-07-23 16:27:43 | 110.49 | |
| 1078 | 2009-07-18 23:21:48 | 117.25 | |
| 851 | 2009-05-14 08:22:24 | 99.27 | |
| 730 | 2009-04-12 08:26:57 | 100.77 | |
| 76 | 2009-03-27 19:58:59 | 98.01 |