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 |
|---|---|---|---|
| 11243 | 2017-01-12 22:40:20 | 176.87 | 100% |
| 10781 | 2015-10-03 15:20:26 | 155.28 | 91% |
| 10536 | 2015-05-29 21:36:32 | 150.21 | 95% |
| 10449 | 2015-04-11 21:37:58 | 165.24 | 97% |
| 10150 | 2015-03-15 17:25:34 | 164.33 | 97% |
| 9958 | 2015-03-04 14:05:20 | 160.86 | 99% |
| 9885 | 2015-03-02 23:03:41 | 170.04 | 93% |
| 9771 | 2015-01-07 18:03:25 | 168.50 | 98% |
| 9748 | 2015-01-06 18:28:16 | 158.01 | 92% |
| 9745 | 2015-01-06 18:25:44 | 188.03 | 100% |
| 9545 | 2014-12-19 17:26:13 | 131.56 | 92% |
| 9470 | 2014-12-18 12:22:08 | 186.20 | 97% |
| 9377 | 2014-12-15 17:19:23 | 127.72 | 89% |
| 9341 | 2014-12-12 18:06:34 | 163.13 | 95% |
| 8942 | 2014-10-24 16:07:34 | 181.70 | 99% |
| 8762 | 2014-09-19 17:54:41 | 177.47 | 99% |
| 8553 | 2014-08-26 17:18:18 | 153.38 | 94% |
| 8183 | 2014-04-11 22:50:49 | 146.60 | 95% |
| 8152 | 2014-04-09 21:41:16 | 162.51 | 93% |
| 7517 | 2014-02-09 23:19:43 | 166.26 | 98% |
| 7516 | 2014-02-09 23:16:32 | 160.97 | 95% |
| 6946 | 2014-01-25 22:03:14 | 156.96 | 94% |
| 6881 | 2014-01-25 16:18:57 | 169.61 | 98% |
| 6748 | 2014-01-05 16:23:57 | 140.26 | 97% |
| 6711 | 2013-12-31 01:49:18 | 151.35 | 96% |
| 6283 | 2013-12-10 13:48:57 | 120.45 | 91% |
| 5992 | 2013-11-27 00:41:30 | 171.20 | 98% |
| 5972 | 2013-11-26 00:24:43 | 167.97 | 96% |
| 5855 | 2013-11-20 15:01:12 | 167.77 | 97% |
| 5695 | 2013-11-16 18:06:40 | 174.77 | 96% |
| 5228 | 2013-10-30 17:37:43 | 161.16 | 98% |
| 4778 | 2013-10-11 00:03:33 | 174.92 | 96% |
| 4474 | 2013-09-09 22:00:17 | 169.29 | 98% |
| 4420 | 2013-09-03 22:27:27 | 148.77 | 88% |
| 4274 | 2013-06-14 21:56:55 | 171.24 | 100% |
| 4161 | 2013-05-14 22:27:01 | 150.58 | 95% |
| 3972 | 2013-04-23 14:27:50 | 192.65 | 99% |
| 3761 | 2013-03-23 18:44:26 | 177.61 | 99% |
| 3631 | 2013-02-03 20:12:53 | 162.59 | 98% |
| 3428 | 2012-11-28 21:28:53 | 179.82 | 99% |
| 3421 | 2012-11-27 20:44:11 | 181.65 | 98% |
| 3165 | 2012-11-08 16:38:55 | 152.83 | 94% |
| 3163 | 2012-11-08 16:34:10 | 177.91 | 98% |
| 3045 | 2012-10-11 21:49:51 | 174.26 | 96% |
| 2979 | 2012-10-07 20:59:54 | 187.35 | 100% |
| 2937 | 2012-10-06 16:04:01 | 169.64 | 95% |
| 2921 | 2012-10-06 15:48:12 | 194.98 | 100% |
| 2725 | 2012-08-18 17:32:05 | 178.98 | 98% |
| 2610 | 2012-08-10 15:53:08 | 162.42 | 97% |
| 2596 | 2012-08-09 21:17:24 | 155.13 | 95% |
| 2339 | 2012-02-07 15:52:35 | 176.64 | 96% |
| 2268 | 2012-02-05 15:13:58 | 155.62 | 95% |
| 2146 | 2012-01-30 18:22:21 | 145.34 | 91% |
| 1855 | 2012-01-15 19:32:43 | 170.24 | 97% |
| 1811 | 2012-01-09 15:34:16 | 157.75 | 98% |
| 1789 | 2012-01-08 21:35:37 | 163.30 | 95% |
| 1771 | 2012-01-08 18:00:10 | 153.53 | 98% |
| 1767 | 2012-01-08 17:40:23 | 158.24 | 96% |
| 1642 | 2011-12-29 22:32:52 | 165.22 | 97% |
| 1616 | 2011-12-27 20:42:10 | 138.07 | 89% |
| 1603 | 2011-12-27 04:04:33 | 142.06 | 95% |
| 1426 | 2011-12-15 13:18:10 | 168.46 | 98% |
| 1358 | 2011-12-07 15:43:28 | 160.40 | 94% |
| 1255 | 2011-11-18 18:22:31 | 172.06 | 99% |
| 1133 | 2011-10-27 19:31:06 | 163.74 | 96% |
| 1023 | 2010-12-10 01:16:45 | 165.88 | |
| 918 | 2010-09-12 14:11:10 | 172.75 | |
| 835 | 2010-08-28 21:54:12 | 161.78 | |
| 818 | 2010-08-26 17:27:40 | 179.24 | |
| 780 | 2010-08-14 15:01:33 | 172.37 | |
| 730 | 2010-07-20 00:01:06 | 177.44 | |
| 608 | 2010-05-14 21:05:37 | 175.78 | |
| 582 | 2010-04-30 23:41:58 | 168.60 | |
| 349 | 2009-09-11 18:20:00 | 162.59 | |
| 147 | 2009-08-12 21:03:35 | 142.18 | |
| 43 | 2009-07-31 18:49:59 | 156.12 |