Almost all the representations of the caffeine molecule that I've come across have the two rings drawn next to each other on the horizontal axis. Any particular reason for this? Would it be sacrilege to draw the caffeine molecule (or for that matter, any molecule), oriented in a way that makes it...

What is the proper name given to the particles in a suspension? Suspensae perhaps? When these particles are brought out of suspension, and precipitate down to the bottom of the mixture, what is that process called, and do they take on a different proper name when no longer in suspension?