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Topic: About Astatine  (Read 4666 times)

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Offline Winga

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About Astatine
« on: January 20, 2005, 05:41:15 AM »
Is it non-metallic or semi-metallic?
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Offline limpet chicken

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Re:About Astatine
« Reply #1 on: January 20, 2005, 05:45:09 AM »
I believe astatine is a semi-metal, but its fairly unlikely anyone will ever see any visiable amount, and even then, unlikely they will live to tell of it.

It probably looks sort of like iodine, from what I have read, only with a dark blackish gray color and vapor.
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Offline Winga

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Re:About Astatine
« Reply #2 on: January 20, 2005, 06:02:09 AM »
But why it doesn't belong to metalloids?
« Last Edit: January 20, 2005, 10:01:25 AM by Winga »
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Offline jdurg

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Re:About Astatine
« Reply #3 on: January 20, 2005, 01:25:21 PM »
Actually, the further down a column you go, the more 'metallic' the element becomes.  So I have actually read that astatine may in fact just be a highly reactive metal akin to the alkali metals, only it would form a negative ion like the halogens above it would.  It'd be interesting to investigate it if you could do so without being dead.
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