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Physical Properties of the Halogens
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( Group 7 elements, aka the Halogens, are indeed a strange and colorful bunch. Cl, Br and I are featured. )

Posted by michellethemit on April 30, 2007 at 5:57 am
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Comments

Posted by kimmy on August 23, 2007 at 8:54 pm
This is probably out in the left field.
We are removing ozone depleting refrigerants in favour of greenhouse gasses.
We are removing the gun that is shooting our left foot and shooting our right foot.
These refrigerants cost 3 times more.
Is it about saving our earth or saving our big businesses.
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