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Amos
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Francium might be cool because contact between it and water likely resembles a bomb blast. I'm off to look for videos of that now.
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DrMario
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Xenon is even more cool than argon: there is a shitload of exciting Xe-compounds, some extremely useful, like XeF2. It etches silicon like a
mother####er!
And Xe has an even lower ionization energy than argon, making it the most useful noble gas for plasma equipment! Oh, and then there are the excimer
lasers...
Xe is definitely interesting!
[Edited on 13-11-2014 by DrMario]
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DrMario
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In that context, it should behave about as reactively as Caesium. Meaning, very, very reactive. Check this out:
https://www.youtube.com/watch?v=fPk1hKLRyeE
Holy f....
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j_sum1
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And Caesium is very cool because of that. Besides, it has a great colour.
I have heard it estimated that only 1g of Fr exists on the planet at any one time. Good luck getting a sample to play with.
That puts it right next to Astatine in the infeasible category. Conceptually cool but the reality is disappointing. Only Fr has that level of
disappointment factor. (Although I would peg Pa as more boring since it fails to even capture the imagination.)
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Texium
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I agree somewhat about protactinium. I think the name says it all. Also, the reason that it isn't commonly available for sale is that it has such
little value that it isn't even produced on purpose. The only stuff that's made now is removed from nuclear reactors because it's considered an
undesirable waste product.
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j_sum1
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Alas no parties. Woken at 5:30 by my kids and a tummy bug though.
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Metacelsus
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The most boring element in my opinion is neon. It's not reactive at all, it barely deviates from the ideal gas law, it doesn't form any weird states
at low temperatures (like He), it's pretty small, and it's not used for much besides lighting.
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Dr.Bob
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And don't forget Bohrium, (Bh, #107), it even sounds boring. And it also does not exist to any real degree anywhere but in some reactor for a moment
or two.
Sadly, I'm old enough that it does not appear on most of the periodic tables I have.
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