fluorine

9.Fluorine F-(18.9984 g/mol)

Topic covered :-

Fluorine

Fluorine gas

Fluorine atom

Wikipedia fluorine

Details of fluorine

Latin name:

Fluorum

English name:

Fluorine

Year discovered:

1886

Discovered by:

Ferdinand Frederic Henri Moissan

Image

Image source - Google | Photo by image of elements 

Electron shell:

K2 L7 M0 N0 O0 P0 Q0 R0

Electrons:9

Protons:9

Neutrons:10

Atomic number:

9

Atomic weight (Relative atomic mass):

18.9984(g/mol)

Density:

0.001696 (g/cm³) (g/cm³)

Melting point:

-219.67°C   =   -363.41°F   =   53.48K

Boiling point:

-188.11°C   =   -306.6°F   =   85.04K

Phase:

Gas

Valence:

I, II

Period:

2

Group:

VIIA

Block:

p - block

Electron configuration:

[He]2s2 2p5

1s2 2s2 2p5

Oxidation states:

-1

Ion charge:

F-

The ionisation potential of an atom:

18.6 (eV)

Atomic radius:

73 (pm)

Covalent radius:

71 (pm)

Van der Waals radius:

147 (pm)

Electronegativity:

3.98

Electron affinity:

328 (kJ/mole)

Crystal structure:

Cubic

Grid parameters:

a=5.4780 Å; b=3.2701 Å; c=7.2651 Å

Attitude c/a :

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