Scientists and government officials around the world have repeatedly needed to confirm that supposed chemtrails are in fact normal contrails. The term chemtrail is a portmanteau of the words chemical and trail, just as contrail is a contraction of condensation trail..
Fluoride(s) may be found in toothpaste and is even added in trace quantities to drinking water in certain parts of the world. Fluorine is extremely reactive and not found in n â¦ ature. It may be found in chemical and nuclear plants. HF-but not fluorine-is even used to etch glass.
fluorine. a chemical element, atomic number 9, atomic weight 18.998. (See Appendix 6.). fluorine 18 a radioactive isotope of fluorine, atomic mass 18, having a half-life of 1.8925 hours; it has been used as a tracer in positron emission tomography. (flÅr'Än), Avoid the mispronunciation fluorÄ«ne.