ATOMIC definition: 1. relating to atoms: 2. using the energy that is created when an atom is divided: 3. relating to…. Learn more. Facing a nuclear threat, they must decide whether to save themselves or stop the bomb delivery while evading agencies and traffickers. Max and JJ must try and secure passage to Marrakech through Syria - a country that hides a troubled past for JJ. Learn the names, symbols and atomic numbers of all the 118 elements in the periodic table of chemistry. Find out the origin and significance of chemical symbols and how to memorize them easily. Atomic is a British action drama television series inspired by the non-fiction book Atomic Bazaar by William Langewiesche. The series premiered on 28 August 2025 on Sky Atlantic.