here's that joke you've all been waiting with EXCITEMENT for, and just cuz i'm starting to cram for this thursdays chemistry exam, and i actually forgot to copy down some questions i need to answer for my chemistry lab due tuesday so chemistry is on my mind just a LIL bit you know

if water is H2O, what is H2O4?

H2O is 4 drinking, showering, washing dishes...etc DUH why, what do you use H2O 4?