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dreamerdreaming -> RE: What Do These Things Have In Common? (5/31/2009 9:15:41 AM)
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quote:
ORIGINAL: DarkSteven The first three are inert gases. I suspect that they are gases used for controlled environments. Darksteven, you got it! You get to make the next quartet, cutie! [;)] These elements are all considered inert, because they are stable and so do not naturally react. Helium (He), neon (Ne) and argon (Ar) are all part of the "zero group": the inert elements- the column at the far right end of the periodic table known as the noble gases... While nitrogen, occurring as N2 gas, is also inert. Essentially since the atoms of these elements have outer electron shells that have their full complement of electrons, they cannot naturally enter into a chemical reaction- since they are unable to share, accept, or give up an electron. http://www.ilpi.com/msds/ref/inert.html
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