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.
What is an atomic number? The atomic number is the number of protons in the nucleus of an atom, according to M.J. Farabee, author of Chemistry 1: Atoms and Molecules. The number of protons define the identity of an element, and it determines how many electrons surround the nucleus.