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|Highscores (28 registered players)|
|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|
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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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