Lewis electron dot structure of $\mathrm{HF}$.

Lewis electron dot structure of ${\mathrm{C}}_2{\mathrm{H}}_6$.

Lewis electron dot structure of ${\mathrm{C}}_2{\mathrm{H}}_4$.

Lewis electron dot structure of ${\mathrm{CF}}_3\mathrm{Cl}$.

Lewis electron dot structure of ${\mathrm{SO}}_2$.

Draw orbital diagram of fluorine molecule.

Draw orbital diagram of hydrogen fluoride molecule.