The atomic bomb, a kind of nuclear weapon

Atomic energy, now usually called Nuclear power

An atom is the smallest particle of a chemical element that retains its chemical properties. Atom or Atomic may also refer to:

Atomism, philosophy about the basic building blocks of reality

Atom (standard), an XML-based Web syndication format

Atomic Kitten, an English all-female pop group

Atom (comics), superheroes of the DC Universe

Atomic number, the number of protons found in the nucleus of an atom

"Mighty Atom", the translation of the Japanese name of the animated series Astro Boy

Atomic chess, a chess variant

"Atom," a song by Cannibal Ox from their 2001 album The Cold Vein

"Atomic" (song), by the band Blondie

Ariel Atom, a high performance sports car made by Ariel Ltd

Atom and His Package', a band whose sole human member is Adam Goren

Acorn Atom, an early 1980s home computer

Atomic (magazine), an Australian computing and technology magazine

A.T.O.M. (Alpha Teens On Machines), a toyline, or its associated animated series

Atomic operation, in computer science

Atomic Rooster, a British progressive rock band active from 1969-1973 and again from 1980-1986

Atom, a Ur-element, in set theory

Atom (measure theory), a minimal measurable set

"Atomic", a song on the album Tiger Army III: Ghost Tigers Rise by the band Tiger Army

Atomic formula, a formula without subformulas

Atomic (album), by the band Lit

Atom Sounds, a record label

Atomic Skis, an Austrian ski producer

Atom (game), an educational game published in 1983 for the TRS-80 home computer

Atom Films, an online video pioneer specializing in independently created short-form films and animations

Arthur Thomson, science fiction artist who signed his work Atom (often transcribed ATom)

Atom, the narrator of The History and Adventures of an Atom, a satire by Tobias Smollett

Atomic (order theory)

Atomic (jazz band), a Norwegian jazz quintet

Atom: Journey Across the Subatomic Cosmos, a book by Isaac Asimov

A.T.O.M, a virtual album by Carbon/Silicon

The lexical elements in Prolog, Lisp, and related programming languages