“[The] structural theory is of extreme simplicity. It assumes that the molecule is held together by links between one atom and the… — Nevil Vincent Sidgwick Chemistry Copy Share Image
![“[The] structural theory is of extreme simplicity. It assumes that the molecule is held together by links between one atom and the next: that every kind of atom can form a definite small number of such links: that these can be single, double or triple: that the groups may take up any position…” quote by Nevil Vincent Sidgwick](https://sms4smile.com/quotes/img-quotes/0d0/nevil-vincent-sidgwick-133243_chemistry_the-structural-theory-is-of-extreme-simp_403895.jpg)