Dihydrogen monoxide parody oxygen atom. Literally, the term "dihydrogen monoxide" means "two hydrogen, one oxygen", consistent with its molecular formula: the prefix "" in "dihydrogen" means "two", the prefix "" in "monoxide" means "one", and an oxide is an oxygen atom attached to another atom in an ionic compound. Using chemical nomenclature, various names for water are in common use within the scientific community. Some such names include "hydrogen oxide", as well as an alkali name of "hydrogen hydroxide", and several acid names such as "hydric acid", "hydroxic acid", "hydroxyl acid", and "hydroxilic acid". The term "hydroxyl acid" used in the original text
I Should Have Known Better film, and it appears on the soundtrack. Capitol Records released "Something New" a month later with songs from the UK version of "A Hard Day's Night" that were not used in the film. The songs were also later released by Capitol on the "Hey Jude" compilation album in 1970. "I Should Have Known Better" was released as a single in a number of continental European countries, including Norway, where it reached number 1, and West Germany, where it reached number 6. In Sweden, the song topped the Kvällstoppen Chart for four weeks. The song is performed in the train compartment