Draw the Lewis dot structure of `C_2H_2` molecule.

Draw the electron dot picture of C_2H_6 molecule

Draw the resonance structure of ozone molecule.

Draw the structure of Cr_2O_7^(2-) ion.

Draw the structure of the IF_3 .

Draw the electron- dot structures for : H_2S

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

Draw the structure of the BrF_3 .