Term
| Diatomic oxygen and ozone (triatomic oxygen) are... |
|
Definition
|
|
Term
| Compared to ozone, O2 has a... |
|
Definition
|
|
Term
| To break O=O bonds, radiation of ... is needed. |
|
Definition
|
|
Term
| To break O=O-O bonds, radiation of ... is needed. |
|
Definition
|
|
Term
|
Definition
| harmful UV rays that oxygen does not absorb. |
|
|
Term
| What happens to chloroflourocarbons in the upper atmosphere? |
|
Definition
| UV light breaks the C-Cl bonds to form chlorine free radicals (initiation). |
|
|
Term
| What happens to the chlorine free radicals form the CFCs? |
|
Definition
| They bond with ozone to form chlorine monoxide free radicals and O2 (propagation) |
|
|
Term
| What happens during the termination step of free radical reactions? |
|
Definition
| Two free radicals can react to form O2 and another free radical |
|
|
Term
| What do chlorine free radicals and nitrogen monoxide do to ozone? |
|
Definition
| They catalyse the reaction with O to form O2 |
|
|
Term
| What does NO do to ozone? |
|
Definition
| It reacts to form NO2 and O2. The NO2 can react with O free radicals to form NO and O2 |
|
|
Term
| Where on the planet is the most ozone depletion? |
|
Definition
| In polar regions. Pollutants are trapped in winter and massively released in summer (chlorine free radicals catalyse the destruction of the ozone layer) |
|
|
