Bromine was first identified as a chemical element in 1826 by French chemist Antoine Balard. He isolated it from chlorine and found that, in its elemental form, bromine is a highly volatile, ...

A dilute solution of bromine is added to samples of heptane and cyclohexene. The bromination reactions and mechanisms are compared. UV light splits the bromine molecule into two reactive radicals, ...

The data set: The data are collected as part of the Atmospheric Science and Measurement Network (ASCENT for short), which monitors air quality at sites across the country. You can see the data set for ...