Question

Which one of the following is smallest in size

Answer 1

F- is the smallest because it accepts 1 electron 2 make its atomic number 10 making it have jst 2 orbitals but O²-,N³- and Na have their atomic number to be 18,17 and 11 respectively with 3 orbitals..
hope this helps *winks*

Answer 2

F- is the smallest. Na is largest, so that would not be correct 100%