0.00005
Less than 0.00001 %.
A very very small amount.
It is approx 1 part in 10 million or 0.00001%
A tiny amount of air.
They normally get xenon from fractional distillation of air.
Xenon is a trace gas. Air is about .08 parts per million of Xenon. (For every million grams of air, there are .08 grams of xenon)
Air is 20.5 percent oxygen.
Xenon is more than 4.5 times heavier than air.
It was discovered in liquefied air.
It is xenon
Approx 0.00001%.
From distillation of liquid air.