Fluorine is a gas.
Probably because it was first recognized in fluorspar or fluorite (which is calcium fluoride).
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 nature. It may be found...
i can get them shiny but once i get them shiny, when I polish them they get scratched and become less shiny.
The chance of a Pokemon received from an in-game trade being shiny is the same as the chance of capturing a shiny Pokemon in the wild.