Using the periodic table only, decided which of the following bonds is the longest and which is the most polar: S—Cl, P—F, S—F, P—Cl?

Longest = P—Cl; most polar = P—F
Longest = P—F; most polar = P—F
Longest = S—F; most polar = P—Cl
Longest = P—F; most polar = S—F
Longest = S—Cl; most polar = P—Cl