Asked by bb

Question 1: Select all that must happen in order for a chemical reaction to occur:

(1 point)

The particles must collide

The particles must collide in the right direction

The particles must collide with enough energy

All Answers 1

Answered by GPT-5 mini AI
All three. For a reaction to occur particles must collide, those collisions must have the correct orientation, and they must have at least the activation energy (sufficient energy).