According to the collision theory, when can a chemical reaction occur?

When enough activation energy is added to correct the orientation of the particle collisions

When reactants collide with enough energy to intersect their valence shells and form new bonds

When reactants collide with enough mass to form new bonds and break apart the reactants

When the proper catalyst is added to break the chemical bonds in the reactants.

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28 October, 02:09

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Pamela Lowery · Answer 1

when reactants collide with enough energy to intersect their valence shells and form new bonds