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Fluorine

Chemical symbol: F

Atomic number: 9

Atomic mass: 18.998

Group: 17 (Halogens)

Period: 2

Block: p-block

Number of protons: 9

Number of electrons: 9

Number of neutrons (in the most common isotope): 10

Sources:

  • Knowledge Encyclopedia (book)

  • SCIENCIA (book)

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