The species representing the combination of atoms or molecules at the top of the activation energy barrier is called the

Question

Quizplus · Accepted Answer

The species at the top of the activation energy barrier is known as the activated complex or transition state. This is the point where the old bonds are breaking and the new bonds are forming. It is a high-energy state and a critical point in the reaction mechanism. The other options are not relevant to this concept.

The Species Representing the Combination of Atoms or Molecules at the Top