iodine

Science Science 5 of 5 appearances
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"iodine" appearances by year

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24

All Science clues by year

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# Clue Answer As Given Value Round Category Air Date Show
A bluish-black solid at room temperature, this halogen changes into a purple vapor when heated iodine $1,600 DJ GENERAL SCIENCE 2013-04-11 #6584
Kelp is an especially rich source of this halogen iodine $2,000 DJ SCIENCE 2004-07-12 #4586
While compounds of this element are added to table salt, in its pure form it's quite poisonous Iodine $300 J GENERAL SCIENCE 2000-07-19 #3673
A poison in pure form, this element used as a germicide on cuts has a chemical symbol that's a pronoun iodine $400 J SIMPLE SCIENCE 1998-02-25 #3113
Seafood is a good source of this element necessary for the formation of thyroid hormones iodine $800 DJ SCIENCE 1993-09-29 #2083
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