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 |
|---|---|---|---|
| 27343 | 2016-07-19 15:22:28 | 130.49 | 96% |
| 27229 | 2016-06-22 14:06:55 | 130.58 | 96% |
| 26832 | 2016-05-01 17:55:18 | 137.03 | 95% |
| 25646 | 2016-01-21 15:33:45 | 134.19 | 96% |
| 25206 | 2016-01-04 07:06:43 | 138.25 | 93% |
| 25092 | 2015-12-31 11:11:48 | 119.15 | 93% |
| 23057 | 2015-10-28 12:56:01 | 133.54 | 98% |
| 22695 | 2015-10-21 12:07:27 | 112.41 | 93% |
| 22515 | 2015-10-16 09:59:26 | 105.10 | 88% |
| 22159 | 2015-10-08 14:41:12 | 102.73 | 82% |
| 21316 | 2015-09-21 10:01:50 | 122.02 | 95% |
| 20550 | 2015-09-06 05:37:35 | 133.14 | 99% |
| 18689 | 2015-07-01 09:22:52 | 110.37 | 92% |
| 18330 | 2015-06-25 15:47:23 | 107.59 | 93% |
| 17714 | 2015-06-07 14:55:44 | 123.13 | 97% |
| 17415 | 2015-06-03 15:02:02 | 116.11 | 93% |
| 16249 | 2015-03-18 14:00:37 | 115.87 | 93% |
| 14876 | 2015-02-03 12:53:01 | 98.94 | 95% |
| 14601 | 2015-01-29 11:00:05 | 92.14 | 91% |
| 13805 | 2015-01-13 17:08:27 | 97.77 | 94% |
| 13734 | 2015-01-12 18:41:59 | 92.04 | 93% |
| 13677 | 2015-01-12 16:57:35 | 100.74 | 95% |
| 13418 | 2015-01-11 10:19:00 | 109.68 | 96% |
| 12762 | 2014-12-10 09:21:52 | 96.51 | 92% |
| 12103 | 2014-11-27 07:48:22 | 93.32 | 95% |
| 11994 | 2014-11-26 13:11:53 | 87.18 | 89% |
| 11616 | 2014-11-20 06:56:51 | 81.94 | 89% |
| 11612 | 2014-11-20 06:53:17 | 106.68 | 95% |
| 11577 | 2014-11-17 20:04:05 | 92.61 | 93% |
| 11486 | 2014-11-15 12:14:46 | 102.01 | 95% |
| 11067 | 2014-11-08 18:47:29 | 81.46 | 90% |
| 9909 | 2014-10-20 11:48:08 | 95.28 | 95% |
| 9672 | 2014-10-14 11:13:44 | 94.10 | 94% |
| 9633 | 2014-10-14 09:55:23 | 100.60 | 97% |
| 9110 | 2014-10-09 08:09:31 | 109.03 | 96% |
| 9000 | 2014-10-08 17:20:51 | 90.86 | 93% |
| 8531 | 2014-09-25 06:50:19 | 87.02 | 93% |
| 8109 | 2014-09-21 20:11:46 | 77.72 | 91% |
| 7870 | 2014-09-19 08:19:40 | 83.33 | 92% |
| 7582 | 2014-09-16 20:07:39 | 82.19 | 91% |
| 7379 | 2014-09-16 08:50:37 | 86.25 | 91% |
| 6906 | 2014-09-13 15:59:05 | 77.11 | 92% |
| 6642 | 2014-09-12 08:34:04 | 83.57 | 95% |
| 6241 | 2014-09-09 14:22:21 | 90.68 | 94% |
| 5893 | 2014-09-06 14:14:51 | 94.69 | 95% |
| 5727 | 2014-09-06 07:33:40 | 89.53 | 95% |
| 4974 | 2014-07-28 09:05:33 | 89.99 | 92% |
| 4588 | 2014-07-23 09:00:53 | 65.09 | 89% |
| 4404 | 2014-07-19 14:48:09 | 89.44 | 70% |
| 4308 | 2014-07-18 13:35:30 | 90.14 | 96% |
| 4112 | 2014-07-16 16:57:12 | 90.58 | 93% |
| 3846 | 2014-07-14 17:15:02 | 99.04 | 95% |
| 3696 | 2014-07-13 13:24:36 | 73.23 | 90% |
| 3676 | 2014-07-13 13:03:22 | 77.28 | 94% |
| 3411 | 2014-07-11 13:03:53 | 60.31 | 79% |
| 3324 | 2014-07-11 05:10:10 | 72.05 | 91% |
| 3250 | 2014-07-10 07:51:03 | 79.50 | 92% |
| 2363 | 2014-06-30 15:10:23 | 81.06 | 93% |
| 2007 | 2014-06-26 19:57:07 | 64.71 | 90% |
| 1697 | 2014-06-24 13:03:32 | 66.74 | 91% |
| 938 | 2013-11-07 09:42:37 | 60.63 | 86% |
| 856 | 2013-11-06 10:16:22 | 70.59 | 94% |
| 452 | 2013-10-27 12:20:31 | 55.89 | 89% |