fluorine

| Introduction | History | Other Periodic Tables | Back |

Symbol:

F

Atomic Number:

9

Relative Atomic Mass:

18.9984 g mol^-1

Natural Abundance in Lithosphere, hydrosphere and atmosphere:

0.03% (mass fraction)

Electron Configuration:

[He]2s²2p⁵

Oxidation States:

-I

Atomic Radius:

70.9pm

Covalent Radius:

64pm

Ionic Radius:

133pm (for -1 oxidation state)

Van der Waals Radius:

140pm

Boiling Point:

-188.1°C

Density:

1.58 g L^-1 (at 1013 mbar)

First Ionisation Energy:

17.422 eV

Reduction Potential:

2.87V

for F + e^- a F^1-

Electronegativity (Allred and Rochow):

4.1

Number of Natural Isotopes:

1

Mass Number of the Most Abundant Isotopes:

19 g mol^-1 a 100% abundance