Draw the Lewis electron dot picture of `BF_4^- ` ion

Draw the electron dot picture of NH_4^+ ion.

Write the electron dot picture of HCl

Draw the electron dot picture of C_2H_6 molecule

Draw the electron- dot structures for : F_(2)

Draw the electron- dot structures for : H_2S

Draw the electron- dot structures for : propanone

Draw the electron- dot structures for : ethanoic acid

Draw the Lewis dot structure of C_2H_2 molecule.

What would be the electron dot structure of carbon dioxide which has the formula CO_(2) ?

What would be the electron dot structure of molecule of sulphur which is made up of eight atoms of sulphur?