Is it possible: ionizing atoms in free-air

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Discussion Overview

The discussion centers around the possibility of ionizing atoms, specifically hydrogen, in free air and the creation of plasma in the atmosphere. Participants explore the conditions necessary for ionization and the feasibility of achieving this in a regular atmospheric environment.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant questions whether it is possible to ionize hydrogen atoms in free air and create plasma in the atmosphere.
  • Another participant clarifies that gaseous hydrogen exists as diatomic molecules and notes the scarcity of hydrogen in the atmosphere, while affirming that plasma can be created in atmospheric conditions.
  • A participant mentions that high voltages can be generated through static electricity, such as from walking on carpet, which can ionize air when touching a grounded conductor.
  • There is a query regarding the voltage required to ionize air.
  • A response indicates that an electric field strength of about three million volts per meter is necessary for ionization.
  • Another participant suggests that lower voltages could suffice if the distance between electrodes is small enough.
  • A link to a tutorial on static sparks is provided for additional context.

Areas of Agreement / Disagreement

Participants express varying views on the specifics of ionization, such as the form of hydrogen in the atmosphere and the voltage requirements, indicating that multiple competing perspectives remain without a clear consensus.

Contextual Notes

Some assumptions about the conditions for ionization and the definitions of terms like "plasma" and "ionization" may not be fully articulated, leading to potential ambiguity in the discussion.

is it possible: ionizing atoms in free air?


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Kalrag
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Alright here's a question for everyone that has some input. Can we ionize atoms, say hydrogen, in free air? This is hard to explain, but can we make plasma in the regular atmosphere? Thats the only way I can word it. So is it possible?
 
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Gaseous hydrogen is not in the form of atoms, it is in diatomic molecules.

There is almost no hydrogen in atmosphere.

Finally - yes, it is possible to make plasma in atmosphere. You have seen it many times.

thunderstorm1.jpg
 
Top physicists are able to create high enough voltages to ionize air simply by padding around in their socks on the carpet in the dry winter air, then touching a grounded conductor.
 
So how many volts will it take to ionize air.
 
Kalrag said:
So how many volts will it take to ionize air.

An electric field strength of about three million volts per metre.
 
Which means single volts will be sufficient if the gap is thin enough.
 

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