Fluorine is the chemical element with
atomic number 9, represented by the symbol F. It has
an atomic weight of 18.998.
Things you might not know about
Fluorine:
1.
Fluorine is the most electronegative and reactive of all elements.
It is a pale yellow, corrosive gas, which reacts with practically
all organic and inorganic substances.
2. The
most common uses of Fluorine are in the production of uranium,
toothpaste, and is a component of Teflon.
3. Water
can burn in Fluorine!
4.
Fluoride is the only chemical added to drinking water for the
purpose of medication (to prevent tooth decay).
See GC2XAY2 - Hydrogen, for an explanation
about this series of caches.