They tried dating, but there was no 'chemistry' between them.
studying the 'chemistry' of gasoline/iron
the 'chemistry' of the office
(..) Look, you skipped, clowned around or otherwise jerked off to every lecture I ever gave. As far as I'm concerned, your chemistry education is over. Oh, okay. Be a dick about it. So, hey, have you... Have you done the thing? Yeah, I'm working up to it. (..)2008 TvShow: Breaking Bad Title: Cat's in the Bag... Season: 1 Episode 2
(..) I've just said to you? Lung cancer. Inoperable. You wanna cook crystal meth? You and me? You know the business. And I know the chemistry. You got crystals in here, inches long. - What now? - Run, Mr. White, run! I'll teach you my recipe. (..)2008 TvShow: Breaking Bad Title: Cat's in the Bag... Season: 1 Episode 2