Discussion Forum
Que.  Proton number of Fluorine (F) is 9, electron number is 
a.  2,5 
b.  2,7 
c.  2,9 
d.  2,6 
Correct Answer:2,7

Que.  Proton number of Fluorine (F) is 9, electron number is 
a.  2,5 
b.  2,7 
c.  2,9 
d.  2,6 
Correct Answer:2,7
