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ozone
80.7 K, −192.5 °C
Trivia about ozone
This form of oxygen, O3, is a major source of air pollution
(Tom Ritchie presents the clue from Antarctica.) The 1959 Antarctic Treaty opened the continent to science & made possible such findings as this hole in the atmosphere in the 1980s
O3, aka this, can be detected many miles downwind from urban centers & can harm forest vegetation
In 1840 Christian Schonbein followed his nose to identify this form of oxygen & named it from the Greek for "smell"
The Nobel prize went to 3 men for their studies on the depletion of this layer of the atmosphere
On Sept. 16, 1987 the Montreal Protocol on Substances that Deplete this was signed
This gas whose molecules have 3 oxygen atoms is a pollutant close to Earth, a protector higher up
The stratosphere includes this layer of the atmosphere that absorbs ultraviolet light
This triatomic allotrope of oxygen protects us from the full force of harmful ultraviolet rays
Near the ground, this gas is a major part of smog; at higher altitudes, it helps block radiation from the sun
This molecule, O3, is a pollutant low in the atmosphere; in the stratosphere, it absorbs harmful radiation
Name given the triatomic form of oxygen
When liquefied, this form of oxygen with 3 atoms in each molecule is deep blue