The breaking of bonds on the molecular level always requires an input of energy. Therefore forming bonds always releases energy. Based on this, build an explanation for why a reaction would release heat (exothermic) and why a reaction would consume heat (endothermic).

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.

If this is a true or galse then its true but if not then what is the question?

4.49 gramshope that fren : )

Catalysts and intermediateshope i