In the Lewis structure of HOCH2CH2OH, how many valence electrons need to be shown and how many pairs of electrons are bonding and how many are non-bonding?
a. 20 valence electrons; 8 bonding pairs of electrons, 2 non-bonding pairs of electrons
b. 22 valence electrons; 9 bonding pairs of electrons, 2 non-bonding pairs of electrons
c. 24 valence electrons; 8 bonding pairs of electrons, 4 non-bonding pairs of electrons
d. 26 valence electrons; 9 bonding pairs of electrons, 4 non-bonding pairs of electrons