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F has ___ valence electrons.
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F has ___ valence electrons.

User Dylan El Bar
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Fluorine is located 7 columns to the right on the periodic table. This means it has 7 valence electrons, and wants to gain 1 more in order to have the full valence shell of 8. 
User Richard Marr
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There are 7 valence electrons in the element: Fluorine.
The electron configuration for Fluorine is:
1s2 ; 2s2 ; 2p7
There is a 7 at the end of 2p, indicating there are 7 valence electrons.
User Atul Soman
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