Question

The smallest amount of energy molecules need to stick together and react is called _____.

A. kinetic energy
B. reaction energy
C. potential energy
D. activation energy

Answer 1

D. activation energy

Step-by-step explanation:

In a chemical reaction you add heat to increase the kinetic energy of molecules up to a point where the chemical bonds can be broken and from there formation of other bonds will create the product compounds. The energy need to do this is called the activation energy.