Abundances of elements

Abundances of elements

Table
Abundances of elements
  solar system* Earth* collection efficiency (percent)
hydrogen 27,000,000,000 9,500 0.00003
helium-4 2,200,000,000 0.00005 0.000000000002
carbon 12,000,000 360 0.003
nitrogen 2,500,000 79 0.003
oxygen 20,000,000 3,400,000 17
neon-20 3,300,000 0.000093 0.000000003
magnesium 1,100,000 1,100,000 100
sulfur 520,000 98,000 19
argon-36 88,000 0.00018 0.0000002
argon-40 0.55 0.053 **
iron 900,000 1,200,000 133
krypton-84 26 0.0000036 0.0000036
*Abundances indicate how many atoms of each element (or, in the case of the noble gases, isotopes) would accompany one million silicon (Si) atoms. For example, the abundance of nitrogen (N) in the solar system is 2.5 times greater than that of Si, whereas its abundance on Earth is less than that of Si by a factor of 0.000079. The table includes the eight most abundant volatile elements, together with others.
**See text.
See as table:

* * *


Universalium. 2010.

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