• Name: Fluorine

  • Symbol: F

  • Number of Energy Levels: 2

  • Electrons on the outer energy level: 7

  • Atomic Number: 9

  • Atomic Mass: 18.998404 Amu

  • Protons / Electrons: 9

  • Neutrons: 10

  • Density: 1.696 g/cm3

  • Classification: Halogen

Top 14 interesting facts about Fluorine

  • Fluorine was discovered in 1886 by Joseph Henri Moissan and it takes its name from the Latin word "fluo" which means "flow".
  • At room temperature Fluorine is a yellow gas.
  • Fluorine is the most electronegative element.
  • Fluorine is very reactive, poisonous, and requires great attention when store and manipulate.
  • Fluorine reacts explosively with Hydrogen.
  • In Universe and on Earth, Fluorine is not very common; 24th most abundant in the Universe and 13th on the Earth (in the Earth's crust).
  • It was used to create the first atomic bomb used by American army in the Second World War against Japan.
  • Fluorine compounds are used in steel industry (for lowering the melting point).
  • Hydrogen Fluoride, a dangerous acid obtained from Fluorine, is used in many industries, particularly Aluminum industry and as a refrigerant gas.
  • Teflon, the electrical insulator, also contains Fluorine.
  • In Pharmaceutical industry Fluorine is used to produce the well known antidepressant Prozac and in toothpaste production for its ability to reduce decay when apply on teeth.
  • Only one isotope of Fluorine is stable, the 19F.
  • California, Alaska, and Argentina have great deposits of fluorites.
  • Fluorine melting point is -363.41 F (-219.67 C) and boiling point is -370.62 F (-188.12 C).