Fluorine (F)
"The Corrosive Crusader, the most reactive and aggressive hero, who can force a bond with almost anyone."
A memorable persona to anchor F in your mind.
1.696
Grams per cm³
-219.67
Celsius (°C)
135
Radius (pm)
Daily Life Link
The fluoride in your toothpaste that protects your teeth.
Discovery & History
Year Discovered
1886
Discovered By
Henri Moissan
Origin of Name
"The name is derived form the Latin ''fluere'', meaning to flow"
Technical Properties
Atomic Mass
18.998 u
Standard State
gas
Boiling Point
-188.11°C
Electron Configuration
[He] 2s22p5
1st Ionization Energy
17.423 eV
Electron Affinity
N/A
Oxidation States
"A pale, corrosive, yellow-green gas."
Did You Know?
It is the most electronegative and most reactive of all chemical elements; it is so reactive it can even form compounds with noble gases like xenon.
Fluorine gas is so aggressive that it can set substances like glass and water on fire.
It was incredibly difficult to isolate; it took chemists 74 years of continuous effort before Henri Moissan finally succeeded in 1886, for which he won a Nobel Prize.
The non-stick coating Teflon is a polymer made from carbon and fluorine atoms (polytetrafluoroethylene).