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1 vote
Fluorine has 7 valence electrons. How many more electrons does it need to acheive a full outermost energy level

a
1
3
Ob
Oc
O d
10
2

1 Answer

6 votes
One, because of the octet rule, every element wants to be like the noble gases, have a full shell, which is 8 electrons.
User Johnny Wong
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