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H- and HII ions

 
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Dec14-04, 11:53 PM   #1
 

H- and HII ions

what is the reason why the number of H- ions in a gas must always be less than the number of HII ions?
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Dec15-04, 09:30 AM   #2
 
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Quote by goleafsgo113
what is the reason why the number of H- ions in a gas must always be less than the number of HII ions?
Gas where? Do you mean in a star or interstellar space? Depends on the temperature.
Dec16-04, 04:13 PM   #3
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My best guess is that you need more energy to ionize atoms, and more energy can mean more mass, therefore more atoms. Just a guess.
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