
K.Na.Ca.Mg.Al.Zn.Fe.Sn.Pb.(H).Cu.Ag.Au
Petroleum Gas.Gasoline.Naptha,Kerosine.Dieseal.Lubricating oil.Bitumen.....
Carbon Monoxide.Sulfuric oxide..blah blah blah~~
hello!
had been studying science today..mainly Chem.
it's chem crazy!
took me a lot of time to understand.
wish me gd luck for the CT Chem/Phy tomorrow! :D
posted by Priscilla at 10:26 PM [edit]