They tried dating, but there was no 'chemistry' between them.
studying the 'chemistry' of gasoline/iron
the 'chemistry' of the office
(..) So what was it? Well, we fight a lot for some reason. - Oh, well. - Oh, well. And there was a little problem with the physical chemistry. Well, I think she's a very attractive girl. She is. She absolutely is. I can see if there was a weight problem... (..)1990 TvShow: Seinfeld Title: The Stakeout Season: 1 Episode 2