Atomic no.  of fluorine is 9 and mss no is 19.calculate  the no. of  electron ,proton and neutron in neutral atom  and in the ion formed  by it. Represent the ion and  give  its  electronic  configuration.

Asked by Parul | 30th Dec, 2015, 03:53: PM

Expert Answer:

Number of Protons: 9

Number of Electrons: 9

Number of Neutrons: 10 

The electronic configuration is: 2, 7

Fluorine will require 1 more electron to complete its octet. (To achieve octet state).

It gains an electron from another atom forming a fluoride ion, F-.

Answered by Hanisha Vyas | 30th Dec, 2015, 07:04: PM

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