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Chemistry Question on Chemical bonding and molecular structure

It is believed that atoms combine with each other such that the outer most shell acquires a stable configuration of 8 electrons. If stability were attained with 6 electrons rather than 8. What would be the formula of the stable fluoride ion.

A

F−F^-

B

F+F^+

C

F2+F^{2+}

D

F3+F^{3+}

Answer

F+F^+

Explanation

Solution

No of valence electrons in F=7F =7. In order to have 66-electrons in the outermost shell, it should lose one electrons and hence from F+F^{+}