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Topic: identifying atoms (Read 2042 times)
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Mustapha
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identifying atoms
«
on:
September 24, 2014, 07:44:51 AM »
Given a dark shiny solid, what nondestructive test can be used to determine if it is an iodine or a metallic element.
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kriggy
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Re: identifying atoms
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September 24, 2014, 07:57:39 AM »
The best is IMO mass spectrometry. It is destructive, however, it requires only very small amounts of sample. Or you can dissolve a bit in ethanol and then drop a few drops into starch solution and it should turn blue if its iodine
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Borek
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I am known to be occasionally wrong.
Re: identifying atoms
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Reply #2 on:
September 24, 2014, 09:58:15 AM »
You have to show your attempts at solving the question to receive help. This is a forum policy.
What do you know about properties of elemental iodine?
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ChemBuddy
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identifying atoms