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 |
|---|---|---|---|
| 9130 | 2013-11-14 02:58:51 | 132.30 | 91% |
| 8892 | 2012-09-14 16:46:05 | 197.09 | 100% |
| 8836 | 2012-09-12 15:20:46 | 183.77 | 100% |
| 8581 | 2012-08-06 21:35:45 | 161.82 | 94% |
| 8570 | 2012-08-06 21:23:51 | 179.28 | 100% |
| 8545 | 2012-08-03 19:51:13 | 189.95 | 100% |
| 8337 | 2012-07-21 15:01:50 | 159.90 | 95% |
| 7778 | 2012-04-26 19:28:42 | 154.43 | 95% |
| 7763 | 2012-04-26 18:32:05 | 186.15 | 97% |
| 7328 | 2012-03-30 21:23:56 | 187.90 | 99% |
| 7318 | 2012-03-30 21:15:38 | 155.22 | 95% |
| 7195 | 2012-03-17 19:32:04 | 163.48 | 98% |
| 7107 | 2012-03-14 17:47:02 | 186.45 | 98% |
| 7097 | 2012-03-13 20:25:52 | 160.27 | 97% |
| 7051 | 2012-03-11 20:02:17 | 176.58 | 98% |
| 6911 | 2012-03-05 20:49:05 | 182.01 | 98% |
| 6886 | 2012-03-04 21:12:27 | 176.67 | 96% |
| 6854 | 2012-02-28 15:13:03 | 156.74 | 93% |
| 6787 | 2012-02-16 16:04:30 | 188.24 | 100% |
| 6778 | 2012-02-15 18:29:01 | 177.63 | 96% |
| 6721 | 2012-02-09 21:04:26 | 142.15 | 93% |
| 6654 | 2012-02-01 19:53:07 | 156.49 | 95% |
| 6474 | 2012-01-25 20:37:17 | 159.33 | 95% |
| 6427 | 2012-01-23 19:20:35 | 135.09 | 93% |
| 6220 | 2012-01-12 17:05:48 | 169.91 | 98% |
| 6018 | 2011-10-11 16:42:52 | 144.95 | 95% |
| 5552 | 2011-07-06 19:43:01 | 158.03 | 97% |
| 5511 | 2011-05-17 20:28:07 | 189.32 | 100% |
| 5508 | 2011-05-16 20:12:03 | 206.21 | 100% |
| 5491 | 2011-05-11 19:30:56 | 180.87 | 98% |
| 5464 | 2011-04-26 18:44:19 | 207.00 | |
| 5453 | 2011-04-24 14:50:23 | 173.19 | |
| 5444 | 2011-04-16 00:45:00 | 187.71 | |
| 5290 | 2011-02-08 23:23:09 | 184.29 | |
| 5238 | 2011-02-01 20:19:34 | 163.82 | |
| 5203 | 2011-01-25 17:33:00 | 171.89 | |
| 5200 | 2011-01-25 15:43:25 | 177.04 | |
| 4822 | 2010-12-14 20:10:36 | 178.94 | |
| 4769 | 2010-12-10 20:00:25 | 175.66 | |
| 4761 | 2010-12-10 00:11:16 | 170.87 | |
| 4648 | 2010-11-27 22:07:37 | 173.00 | |
| 4628 | 2010-11-18 21:41:45 | 172.33 | |
| 4626 | 2010-11-17 22:32:47 | 182.58 | |
| 4507 | 2009-07-13 18:10:11 | 165.60 | |
| 4348 | 2009-06-26 21:34:10 | 150.18 | |
| 4344 | 2009-06-26 21:29:59 | 146.88 | |
| 3719 | 2009-05-15 22:54:17 | 99.22 | |
| 3134 | 2009-05-04 16:38:13 | 120.21 | |
| 3085 | 2009-05-03 01:00:27 | 130.49 | |
| 2850 | 2009-05-01 13:51:39 | 146.49 | |
| 2841 | 2009-05-01 01:02:31 | 116.92 | |
| 2667 | 2009-04-29 22:06:44 | 140.57 | |
| 2496 | 2009-04-28 00:32:55 | 125.11 | |
| 2206 | 2009-04-25 00:28:35 | 125.82 | |
| 2110 | 2009-04-23 18:32:24 | 109.49 | |
| 2072 | 2009-04-23 15:54:38 | 108.74 | |
| 2053 | 2009-04-22 23:25:01 | 130.58 | |
| 1729 | 2009-04-14 15:11:33 | 135.23 | |
| 1674 | 2009-04-12 18:54:32 | 119.49 | |
| 1274 | 2009-04-04 18:10:30 | 111.49 | |
| 1258 | 2009-04-04 17:56:37 | 129.95 | |
| 861 | 2009-04-01 16:47:33 | 131.90 |