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|Highscores (18 registered players)|
|1||joc3942||100%||0:19.7 min.||14 Oct, '14|
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|3||ollipo||100%||0:22.9 min.||13 Oct, '14|
|4||For what its worth.||100%||0:23.8 min.||17 Nov, '14|
|5||lakris||100%||0:25.0 min.||8 Oct, '14|
|6||Hayden_003||100%||0:26.8 min.||11 Jan, '16|
|7||itsasbeltza||100%||0:27.8 min.||18 Oct, '16|
|8||Rumpleteazer||100%||0:28.2 min.||17 Oct, '16|
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This is an online quiz called Elements: Astatine
There is a printable worksheet available for download here so you can take the quiz with pen and paper.
Identify facts about the element Astatine
Key: Discovery/year, Name derivation, State (Room temperature), Periodic Table location, Melting/Boiling points (K), Electron configuration, Trivia
Note radioactivity clue relates to the Most Stable Isotope
Main image from http://www.periodictable.com
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