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To: DuckTapeSunroof who wrote (697091)8/17/2005 3:18:32 PM
From: goldworldnet  Read Replies (2) | Respond to of 769669
 
I was curious and looked up to see how much hydrogen is in the atmosphere. There is amazingly little.

Component Percent/Parts per million (ppm)
Nitrogen (N2) 78.08 percent
Oxygen (O2) 20.95 percent
Argon (A) 0.93 percent
Carbon Dioxide (CO2) 0.03 percent
Neon (Ne) 18.18 ppm
Helium (He) 5.25 ppm
Methane (CH4) 2 ppm
Krypton (Kr) 1.14 ppm
Nitrous oxide (N2O) 0.5 ppm
Hydrogen (H2) 0.5 ppm
Xenon (Xe) 0.087 ppm
Ozone (O3) 0 to 0.07 ppm (variable)
Sulfur dioxide (SO2) 0 to 1 ppm
Nitrogen dioxide (NO2) 0 to 0.02 ppm
Iodine (I2) trace amounts
Sodium chloride trace amounts
Ammonia (NH3) 0 to trace amounts
Carbon monoxide (CO) 0 to trace amounts

weather.about.com

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