study for last minute...T.T

Two more days...is chemistry exam already,but I still cant finish study all chapter,oh...I study since two week ago,still 5 more chapter to go...shit!The salt chapter I really don understand...I really want to pass and even get an A...I wan to prove that I'm not a worse student!!since I dropped from 4s1...sad an angry...5s2 like hell,all kinds of people...I hope that I will get a good result for chemistry and others too...and prove to my friends...Cui yee too...I will not give up!!!