Organic compounds, on the other hand, ionize only very slowly, if at all.
Certain ultra-violet rays also ionize the air and cause the formation of ozone.
Second, the upper atmosphere of Eisberg was pretty much pure hydrogen, which is somewhat easier to ionize than oxygen or nitrogen.
ionize i·on·ize (ī'ə-nīz')
v. i·on·ized, i·on·iz·ing, i·on·iz·es
To dissociate atoms or molecules into electrically charged atoms or radicals.