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Oxygen.
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∙ 12y ago
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What percent of the air we breath is oxygen?
About 21% of air is oxygen.
What types of particles does air contain?
Air contains many different types of particles. It is 78 percent Nitrogen and about 21 percent oxygen by volume. Air also contains some Ar, CO2, H2O, Ne, He, CH4, Kr, and O3.
What is th second most common gas found in the air we breathe?
This gas is oxygen - 20,946 %.
Why nitrogen is 98 percent in environment as oxygen is 21 percent?
Nitrogen makes up 78% of the atmosphere, not 98%.
What percent does oxygen make up in our atmosphere?
There is approximately 21 % oxygen in our air.
What makes up 21 percent of the air?
oxygen! There is 21 percent oxygen in inspired ( the stuff you breath in) air and 13 percent in expired(the stuff you breath out)
Makes up approximately 21 percent of the air?
oxygen
What percent of the air we breath is oxygen?
About 21% of air is oxygen.
Does oxygen make up 40 percent of the air?
No , it makes up 20.9% of air , almost 21%
What is the second most common gas found in the air we breath?
Oxygen is the second most common/abundant gas in the air that we breathe. Nitrogen is the most abundant gas in the air we breathe. The composition of air is often treated as 79 mole or volume percent N2 and 21 mole or volume percent O2.
What is the second most common gas found in the air we breathe?
Oxygen is the second most common/abundant gas in the air that we breathe. Nitrogen is the most abundant gas in the air we breathe. The composition of air is often treated as 79 mole or volume percent N2 and 21 mole or volume percent O2.
If Nitrogen is 78 percent of air then how many percent of o2 in the air?
21%
What percent of the outdoor air is oxygen?
21 percent
Why is oxygen 21 percent and nitrogen 78 percent?
This is the composition of the air.
What types of particles does air contain?
Air contains many different types of particles. It is 78 percent Nitrogen and about 21 percent oxygen by volume. Air also contains some Ar, CO2, H2O, Ne, He, CH4, Kr, and O3.
What is the concentration of oxygen in air?
21 percent.
What is the percent by volume of potassium in the crust?
It is around 21/2 %, by weight.
