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Element : Flourineimage00.jpg

Symbol : Capital F

Atomic Number : 9

Atomic weight: 18.9984032(18.99)

Registry ID: 7782-41-4

Group number: 17

Group name: Halogen

Period number: 2

Block: p-block

Melting Point: -219.62C

Boiling Point: -188.14C

Standard State: GAS

Number of Protons/Electrons in Fluorine : 9 THE PİCTURE İS THE ATOMİC STRUCTURE OF FLOURİNE
Number of Neutrons in Fluorine : 10

COLOR:Yellow but pale

Definition of the Fluorine Element
A pale-yellow, highly corrosive, poisonous, gaseous halogen element, the most electronegative and most reactive of all the elements, used in a wide variety of industrially important compounds.

Origin / Meaning of the name Fluorine
The name originates from the Latin word 'fluo' meaning flow.

Classification of the Fluorine Element
Fluorine is classified as an element in the 'Halogens' section which can be located in group 7 of the Periodic Table.

...read more.



109.77 minutes

Electron Capture







11.07 seconds

Beta-minus Decay



4.158 seconds

Beta-minus Decay



4.23 seconds

Beta-minus Decay


Beta-minus Decay with
Neutron Emission

< 11.00


2.23 seconds

Beta-minus Decay



400 milliseconds

Beta-minus Decay


Beta-minus Decay with
Neutron Emission

< 5.90


50 milliseconds

...read more.


Extra Information:

  • Fluorine reacts explosively with hydrogen even in the dark and at low temperature.
  • Fluorine reacts violently with water forming hydrogen fluoride, and liberates oxygen which is highly charged with ozone.
    2 F2 + 2 H2O ==> 4 HF + O2
  • Fluorine also reacts with sulphur, selenium, and tellurium, which melt and ignite in the gas, forming halides.
  • Fluorine is a powerful oxidising agent. For example, when fluorine is bubbles through a solution of potassium chlorate this is oxidised to potassium perchlorate.
    F2 + 2 KClO3 + H2O ==> 2 HF + KClO4
  • Fluorine does not react directly with oxygen, or nitrogen, and combines with chlorine, only on heating, forming the gaseous products chlorine fluoride, and chlorine trifluoride.
  • Fluorine readily combines with bromine, and iodine, forming colourless liquids BrF3 and IF5. image01.jpg

...read more.

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