Definition of chromophore - an atom or group whose presence is responsible for the colour of a compound. Definition of chromophore - an atom or group whose presence is responsible for the colour of a compound.
El Sereno, Los Angeles. El Sereno is a Los Angeles City neighborhood in the Eastside Los Angeles region of the County of Los Angeles, California. El Sereno as mapped by the Los Angeles Times. Cal State Los Angeles is in the lower right corner.
Things to Do... About the El Sobrante Library. The El Sobrante Library is located in a scenic valley east of San Pablo Bay. The library, built in 1961 and enlarged in 1975 to double its size, serves a community of 16,000 residents.