I told a chemistry joke, but there was no reaction.

If you’re not part of the solution, you’re part of the precipitate.

Chemistry class is tough, but I just keep telling myself, “I’ve got my ion you.”

*For what it is worth, I had to take chemistry twice in college, having failed the first time. Shaking my head, "what was I thinking majoring in Agriculture, having never stepped foot on a farm for that matter?"