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.
El Centro is located in the Imperial Valley (considered locally as synonymous with Imperial County). The city is 50 feet (15 m) below sea level and the largest city in the United States below sea level. The Imperial Valley is in the Colorado Desert, an extension of the larger Sonoran Desert.