Discovered By: Henri Moissan
Discovery year: 1886

The following table showing some properties of Fluorine(F):

Table Example
Symbol F
Atomic number 9
Atomic weight 18.998403
Group 17
Period 2
Block p
Electrons 9
Protons 9
Neutrons 10
Oxidation states -1


Table Example
Electrons per shell K2 L7
Electron configuration 1s^2 2s^2 2p^5
Gas atomic multiplies 2
Atomic radius 42 pm
Covalent radius 57 pm
van der Waalsradius 147 pm
Boiling point -188.12°C
Melting point -219.6°C
Phase Gas
Fusion heat 0.26kJ.mol^-1


Table Example
Ionic charge F^-
Specific heat 824 J.kg^-1.k^-1
Vaporization heat 3.27 kJ,mol^-1
Color Colorless
Density 1.696 kg.m^-3
Refractive index 1.000195
Thermal conductivity 0.0277W.m^-1.K^-1
Valence 1
Radioactive No
Electronegativity 3.98