|Left: a chemical alphabet style depiction of the elements of relationship chemistry: friendship, family, parents, sex and dating. Right: a chemical formula underlay relationship chemistry depiction of the "choice" factor of mate selection; a subject of study first queries in terms of physical chemistry by German polymath Johann Goethe in 1808 (see: love thought experiment).|
The term is a common one in dating site advertisements. The matching site LoveIsSexy, for instance, boldly declares, on its about us page, that it has a “state-of-the-art matching technology” that puts its users in direct contact with “relationships that work” and that: 
“Relationship chemistry is more than simply liking the same movies … it’s about shared values, ethics, social, physical, and intellectual characteristics … it’s also about sex … without good sexual chemistry and compatibility, many relationships simply don’t work.”
● Romantic chemistry
● Social chemistry
● Sexual chemistry
● Music chemistry
● Literature chemistry
● Queer chemistry
● Human chemistry
1. (a) Hamburg, Sam R. (2001). Will Our Love Last? A Couple’s Road Map. Scribner.
(b) Relationship Chemistry – theRelationshipGym.com.
(c) Fishman, Barbara M. and Ashner, Laurie. (1994). Resonance: the New Chemistry of Love. San Francisco: HarperSanFrancisco.
2. LoveIsSexy (About) – LoveIsSexy.com.
The following are works that cite this page:
● Grungzweig, Walter. (2012). “Science-in-Poetry? Chemistry and the Metaphysical Tradition” (pgs. 169-82), in: The SciArtist: Carl Djerassi’s Science-in-Literature in Transatlantic and Interdisciplinary Contexts (pg. 181). LIT Verlag Munster.