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Chemical Composition of Air

Chemical Composition of Air
Name
Symbol
% by Volume
Nitrogen
 N2
78.084
Oxygen
 O2
20.9476
Argon
 Ar
00.934
Carbon Dioxide
 CO2
00.0314
Neon Ne
00.001818
Methane CH4
00.0002
Helium He
00.000524
Krypton Kr
00.000114
Hydrogen H2
00.00005
Xenon Xe
00.0000087

Back to Top Page Last Edited: Thu Jun 30, 2011 10:18:57 AM
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