Odd Element Out
Science brain teasers require understanding of the physical or biological world and the laws that govern it.
Which of the following atomic elements does not belong in the following list?
Carbon, Neon, Silicon, Phosphorus, Iodine, Xenon
HintCheck the spelling and atomic symbols.
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Answer
Iodine is the odd element out. It is the only one that can not be spelt using atomic symbols.
CArBON
NeON
SiLiCON
PHOSPHORuS
XeNON
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Comments
ElectronJohn   
Dec 13, 2002
| Good one. Very creative use of the Periodic Table. In a pinch one could spell iodine like this: IODyNe
But of course that would not be correct. |
Princess_Neopia
Dec 15, 2002
| Here's another way.
Iodine is the only one that begins with a vowel, but that would be english not science.
Good job. |
jonnyonline
Jan 16, 2003
| Time to get a girlfriend, my man. |
rtz53
Jan 31, 2003
| Please, you're giving us science people a bad name. What's with this "spelt," word? Try, "spelled," instead. |
snaps  
Jan 31, 2003
| spelt: v. A past tense and a past participle of spell. From "The American Heritage Dictionary of the English Language, Fourth Edition Copyright © 2000 by Houghton Mifflin Company" via www.dictionary.com.  |
AuroraSturgeon
Aug 20, 2003
| If I was an editor, I would change the category of this puzzle. It has nothing to do with knowledge of the sciences. Therefore, it should be placed in language or group. However, I did quite like it... |
Rowsdower
Nov 26, 2003
| Is iodine also the only one that's liquid at room temperature? |
cnmne
Mar 06, 2004
| It is interesting how iodine can be selected, but for different reasons. Iodine is also the only element in the list whose atomic number is a prime number. |
vbguy101
Sep 02, 2006
| That also would've went into the Language section. |
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