<p>Hello~ What're some 'must know' content that is absolutely required for the SAT Chemistry paper? Like formulae that's commonly tested, certain content ideas... Thanks!</p>
<p>Balancing equations is the single skill that is tested the most, I believe? I’d recommend looking through a prep book or problems to see what skills are tested most. It’s really the easiest way, and you’ll find out which skills you need to work on.</p>