Line-bond structures appear to imply that there are two different isomers of 1,2-dibromobenzene, one with the bromine bearing carbon atoms joined by a double bond and one with the bromine bearing carbons joined by a single bond. In fact, though, there is only one 1,2-dibromobenzene. Explain

Hello thereone of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. which property fits this description? answer: atomic mass  was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.

Um i think answer is a