Be sure to answer all parts. draw two resonance structures for each species − one that obeys the octet rule, and one in which the formal charge on the central atom is zero. show all formal charges and nonbonding electrons. obeys octet rule draw structure po43− zero formal charge on the central atom draw structure obeys octet rule draw structure hclo3 zero formal charge on the central atom draw structure obeys octet rule draw structure so3 zero formal charge on the central atom draw structure obeys octet rule draw structure so2 zero formal charge on the central atom draw structure