the oxygen you breath is O2, so you have to pick between water and that oxygen. and pick a different element
my favorite compound is MSG
MSG is E621
oxygen's most common form is O2
mandamnO2 is a compound, O is an element. what the compound is made of is irrelevant, because it is still a compound, and as such there is no way it can be your favorite element
Mercury. Because stuff, that's cool.
cool, but the percentage that is oxygen is what keeps you alive.