IFLScience3 天
If You Farted In A Jar And Opened It 20 Years Later, Would It Still Smell Of Farts?
However, under normal conditions it is relatively stable, only reacting slowly with oxygen to form sulfur dioxide and water ...
BBC1 天
Using equations to represent chemical reactions
For example, the formula H 2 O shows that a water molecule contains two hydrogen atoms and one oxygen atom.