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Can you name the 15 elements that are considered to be actinoids or actinides?
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Correctly named answers will show up below
Answers do not have to be guessed in order
Note: This includes element 103 which is most often considered to be a actinide despite being in the d-block.
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Actinide Elements Quiz
Created Nov 21, 2010 in
Featured Jan 13, 2013
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Sep 17th, 2012 at 11:28 GMT
Spotted a typo it's ProTactinium not proactinium.
Oct 18th, 2012 at 15:25 GMT
Just chiming in to agree that it should be spelled with a 'T'. It's ProTactinium. I only got 14 out of 15 because of that.
Game published: Jan 13th, 2013 at 15:00 GMT
Jan 13th, 2013 at 16:10 GMT
It makes me a nerd that I think of these as the elements with the fun names, doesn't it. Ah well.
Jan 14th, 2013 at 02:14 GMT
I always assumed it was Mendeleevium. Guess they just transliterated it differently for the element?
Jan 14th, 2013 at 09:24 GMT
Come back, confess. Famed, nobler. That's how I remember the last 8.
Jan 15th, 2013 at 02:17 GMT
Berkelium through nobelium are in alphabetical order. The others I just sort of remember.
Jan 20th, 2013 at 15:18 GMT
It just has to end in -ium? Europium should be on this quiz!
Jan 21st, 2013 at 08:06 GMT
Europium is a lanthanide... Also I just remember all the elements "as is". I hate using memory methods, and I'm unique in being able to remember most things easily...
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