Examlex
Which of the following should be included in tobacco assessment?
Ozone
A molecule made of three oxygen atoms, O3, forming a layer in the Earth's stratosphere that protects life by absorbing most of the sun's harmful ultraviolet radiation.
Resonance Structures
Representations of a molecule showing different configurations of electron pairs, to depict delocalization of electrons within the molecule.
Nitrite Ion
A polyatomic ion with the molecular formula NO2-, derived from nitrous acid.
Methane
A colorless, odorless flammable gas that is the simplest alkane, used as a fuel and in chemical synthesis, with the chemical formula CH4.
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