Answer:
Um is there supposed to be a picture?
Explanation:
Volatile organic compounds are compounds
that easily evaporate at standard room temperature and pressure. They are
considered harmful to the environment if regulations are not followed. Examples
of this are:
Benzene
Ethanol
Benzopyrene
Ethenone
Acetic acid
Methane
Butane
Heptane
Pentane
For the element chlorine to be "happy", it needs 8 valence electrons meaning it needs 8 electrons on its outer shell. So the answer would be chlorine because it has 7 valence electrons in the picture and it needs one more to be considered stable.
Troposphere is the answer
