unshared pairt. Use the structural formulas below to deternuine the number of unshared pairs at each designated atom: De aile your answers are consistent with the formal charges on the focmulas. Then number of usithered pais at atoon a is The number of undhared pairs at atom b is The number of unshayed pons at ateri c is Then nuenter of unshareit bein at atom a is The number of unshared pars at atom c is