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| Highscores (31 registered players) | ||||
|---|---|---|---|---|
| Member | Score | Time | Date | |
| 1 | mn17 | 100% | 0:12.8 min. | 17 Oct, '20 |
| 2 | ptre | 100% | 0:15.1 min. | 9 Oct, '20 |
| 3 | djskilled 3 | 100% | 0:16.5 min. | 16 Nov, '14 |
| 4 | Rumpleteazer | 100% | 0:17.3 min. | 7 Oct, '20 |
| 5 | apokar | 100% | 0:17.3 min. | 22 Aug, '14 |
| 6 | For what its worth. | 100% | 0:17.8 min. | 16 Nov, '14 |
| 7 | Math Whiz | 100% | 0:18.5 min. | 14 Oct, '20 |
| 8 | joc3942 | 100% | 0:18.6 min. | 9 Dec, '15 |
| 9 | makropulos | 100% | 0:18.7 min. | 15 Oct, '20 |
| 10 | itsasbeltza | 100% | 0:18.7 min. | 16 Apr, '21 |
| 11 | Tanel Tikame | 100% | 0:19.7 min. | 28 Mar, '21 |
| 12 | Milly | 100% | 0:21.2 min. | 11 Apr, '21 |
| 13 | Hayden_003 | 100% | 0:22.2 min. | 7 Jan, '16 |
| 14 | ollipo | 100% | 0:22.5 min. | 9 Dec, '15 |
| 15 | Grainbeer | 100% | 0:22.5 min. | 29 Nov, '15 |
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This is an online quiz called Elements: Hafnium
There is a printable worksheet available for download here so you can take the quiz with pen and paper.
Identify facts about the element Hafnium
Key: Discovery/year, Name derivation, State (Room temperature), Periodic Table location, Melting/Boiling points (K), Electron configuration, Trivia
Main image from http://www.periodictable.com
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