ciae whether the Lewis structure proposed for each molecule is reasonable or not.
\table[[molecule,\table[[Iroposed Lewis this a reasonable structure?],[If not, why not?]],],[,,\table[[Yes, it's a reasonable structure.],[No, the total number of valence electrons is wrong.]]]]
NH$_2$$^+$ [H-N=H]$^+$
::
CIF$_3$ :F-Cl-F:
::
BF$_3$ :F-B-F:
::