Ozone Problem

pale blue gas that occurs both in the Earth’s lower and upper atmosphere

Higher concentrations make ___ ozone an air pollutant, which is then called “bad” ozone.

Ozone’s oxidizing activities at the upper atmosphere traps (i.e. converts into heat) harmful ultraviolet (UV) radiation from the sun, thereby protecting us. ___ ozone is then called “good” ozone.

the main ingredient of photochemical smog and i produced in lightning, motor, and engine activities.

The ozone layer absorbs, or filters off, by converting to ___, 95% to 99% of the sun’s harmful UV rays.

Chlorine and bromine are the two main elements involved in stratospheric ozone ___.

___ are “converted” – via chemical reactions – to other stable non-ozone degrading substances very, very slowly.

organic compounds containing covalently bonded halogen atoms

used as refrigerant, coolant and aerosol propellant

a colorless, sweet-smelling liquid widely used as an industrial solvent, but is rapidly being phased out