Symbol: F
Atomic Number: 9
Mass: 18.9984
Melting Point: -219.62
Boiling Point: -188.14
Number of Protons/Electrons: 9
Number of Neutrons: 10
Classification: Halogen
Crystal Structure: Cubic
Density: 1.696
Color: Greenish
Atomic Structure
Number of Energy Levels: 2
First Energy Level: 2
Second Energy Level: 7
Isotopes
Isotope
Half Life
F-18
1.8 hours
F-19
Stable
Facts
Date of Discovery: 1886
Discoverer: Joseph Henri Moissan
Name Origin: From the Latin word fluo (flow)
Uses: Refrigerants
Obtained From: mineral fluorite
Related Links
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![[ATOM]](atom.gif)
![[Bohr Model of Fluorine]](b0009.gif)
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