Why is neon so rare on Earth?
http://www38.wolframalpha.com/input/?i=chemical+elements+abundance
Why is it so rare on Earth?
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M$3 Answers
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M$
"Although neon is the fourth most abundant element in the universe, only 0.0018% of the earth's atmosphere is neon."1
It is only found in small amounts and it often must be separated from other rare elements. It is found in these small amounts because it does not occur in our atmosphere very often:
"occurring in the atmosphere to the extent of 18 parts per million and obtained by fractional distillation of liquid air"2
http://periodic.lanl.gov/elements/10.html
1. http://education.jlab.org/itselemental/ele010.html
http://www.webelements.com/lutetium/
http://wwwrcamnl.wr.usgs.gov/isoig/period/ne_iig.html
http://hyperphysics.phy-astr.gsu.edu/Hbase/quantum/atspect2.html
2. http://www.answers.com/topic/neon
http://www.facts-about.org.uk/science-element-neon.htm
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M$
Unfortunately your answer does not really address the question:
*Why* is it so rare on Earth?
> It is found in these small amounts because it does not occur in our atmosphere very often
That is complicated way of saying it's rare because there isn't much of it. Not all that enlightening. :)
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M$
When quoting a source, you should follow the guidelines about copying and pasting:
http://www.mahalo.com/stub/mahalo-copying-and-pasting-guidelines
I'm not sure if you understood the answer or just copied it. If you understand it, can you expand on it, and explain it a little more please?
Thanks for putting it in your own words.
Btw it's ok to quote sources as long as you indicate that it's a quote.
In this case the quote was on the terse and jargony side anyway, so could benefit from more explanation that laypeople can understand.
Sorry about that, I fixed my answer to be less of a c+p job