4. Sulfur, fluorine and iodine are elements of the periodic table. They form binary compounds with hydrogen that produce acidic solutions. Iodine forms the strongest acid while sulfur forms the weakest acid. Answer questions a and b. a) In the table below, fill in the missing formulae and the name of each binary acid and the formula the conjugate bases. b) Arrange the conjugate bases in part (a) in decreasing order of basicity