What gases make up the air?

Binary Options Basics

Quiz Categories

Pub Quizzes

Site Navigation

Valid XHTML 1.0! Valid CSS! Get Firefox!

Air Composition

The percentage of gases found in sea-level air, or another way of putting it - What makes up the air we breathe?

Element
or Gas
Chemical
Symbol
Percentage
of Air
NitrogenN278.084 %
OxygenO220.9476 %
ArgonAr0.934 %
Carbon DioxideCO20.0314 %
NeonNe0.001818 %
HeliumHe0.000524 %
MethaneCH40.0002 %
KryptonKr0.000114 %
HydrogenH20.00005 %
XenonXe0.0000087 %

Related: atmospheric layers

Suggestions or corrections email me [email protected]