Approximately how much of the total volume of the atmosphere is oxygen?

1 Answer
Dec 17, 2016

Around 21%

Explanation:

Earth's atmosphere is approximately 21% oxygen in the form of O_2, 78% nitrogen (N_2), 1% argon (Ar), and then a trace amount of other gases such as CO_2 and other noble gases like neon (Ne), xenon (Xe), etc.

I drew up a quick pie chart in Excel for you to have a more visual look at it.

Made it up myself really quick based on already known dataMade it up myself really quick based on already known data