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 Cajon ( /ÉlkÉhoÊn/; Spanish: [elkaxon]) is a city in San Diego County, California. The population was 99,478 at the 2010 census. The population is estimated at 100,116 as of 2011. Nestled in a valley surrounded by mountains, the city has acquired the nickname of The Big Box. Its name originated similarly, from the Spanish phrase el cajÃ³n, which means the big box or the drawer. El Cajon is located at 32Â°47â²54â³N 116Â°57â²36â³W / 32.79833Â°N 116.96Â°W / 32.79833; -116.96 (32.798300, -116.960055). According to the United States Census Bureau, the city has a total area of 14.4 square miles (37.4 kmÂ²), all land.