isoelectronic principle

isoelectronic principle

[¦ī·sō·i‚lek′trän·ik ′prin·sə·pəl]
(chemistry)
The concept that molecules having the same number of electrons and the same number of atoms whose atomic masses are greater than that of hydrogen (heavy atoms) tend to have similar electronic structures, similar chemical properties, and heavy-atom geometries.
References in classic literature ?
The visitors were taken there and shown them, all neatly hung in rows, labeled conspicuously with the tags of the government inspectors--and some, which had been killed by a special process, marked with the sign of the kosher rabbi, certifying that it was fit for sale to the orthodox.