C6 - Depletion of the ozone layer

Question 1

What are the three stages to radicals?

Answer 1

1) UV light breaks a bond in CFC molecules to form chlorine radicals
2) chlorine radicals react with ozone molecules creating more chlorine radicals
3) two radicals collide removing both of them

Question 2

What is a radical?

Answer 2

A very reactive species with one spare electron.