Mariposa, CA. Sponsored Topics. Mariposa (formerly Logtown) is a census-designated place (CDP) in and the county seat of Mariposa County, California, United States. The population was 2,173 at the 2010 census, up from 1,373 at the 2000 census.
aÂ·tomÂ·ic. adj. 1. Of or relating to an atom or atoms. 2. Of or employing nuclear energy: an atomic submarine; atomic weapons. 3. Very small; infinitesimal. aÂ·tomâ²iÂ·calÂ·ly adv.
atomic number 1 - a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe. H, hydrogen. tritium - a radioactive isotope of hydrogen; atoms of tritium have three times the mass of ordinary hydrogen atoms.