a) sp3 in bromine and s in hydrogen.
b) sp3 in both iodine atoms.
c) sp3 in carbon and sp3 in fluorine.
d) sp in carbon and s in hydrogen.
e) sp2 in the carbon and sp3 in chlorine.
f) sp3 in the carbon with three hydrogens and sp2 in the carboxyl carbon.
g) sp2 in the carboxyl carbon and sp3 in the oxygen.
Hint: refer to the electron domain geometry around the atom in question.