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Atoms are the basic particles of the chemical elements. An atom consists of a nucleus of protons and generally neutrons, surrounded by an electromagnetically...

bombs or atom bombs (abbreviated as A-bombs). This has long been noted as something of a misnomer, as their energy comes from the nucleus of the atom, just...

a function of the relative abundance of the isotopes of the constituent atoms on Earth. The molar mass is appropriate for converting between the mass...

of every atom of that element. The atomic number can be used to uniquely identify ordinary chemical elements. In an ordinary uncharged atom, the atomic...

small, dense region consisting of protons and neutrons at the center of an atom, discovered in 1911 by Ernest Rutherford based on the 1909 Geiger–Marsden...

physics, the Bohr model or Rutherford–Bohr model is an obsolete model of the atom, presented by Niels Bohr and Ernest Rutherford in 1913. It consists of a...

scientific theory that matter is composed of particles called atoms. The definition of the word "atom" has changed over the years in response to scientific discoveries...

known in Japan by its original name Mighty Atom (Japanese: 鉄腕アトム, Hepburn: Tetsuwan Atomu, lit. 'Iron-Armed Atom'), is a Japanese manga series written and...

Nuclear fission is a reaction in which the nucleus of an atom splits into two or more smaller nuclei. The fission process often produces gamma photons...

A hydrogen atom is an atom of the chemical element hydrogen. The electrically neutral atom contains a single positively charged proton and a single negatively...

Captain Atom is the name of several superheroes appearing in American comic books, initially owned by Charlton Comics before being acquired in the 1980s...

the target of the particle beams of early accelerators was usually the atoms of a piece of matter, with the goal being to create collisions with their...

Text). Nero Digital uses DVD Video subtitles in MP4 files The so-called moov atom contains information about video resolution, frame rates, orientation, display...

Intel Atom is a line of IA-32 and x86-64 instruction set ultra-low-voltage processors by Intel Corporation designed to reduce electric consumption and...

The name Atom applies to a pair of related Web standards. The Atom Syndication Format is an XML language used for web feeds, while the Atom Publishing...

wave-like behavior of an electron in an atom. This function describes the electron's charge distribution around the atom's nucleus, and can be used to calculate...

The Atom is a name shared by five superheroes appearing in American comic books published by DC Comics. The original Golden Age Atom, Al Pratt, was created...

focused on the electronic ground state and excited states of individual atoms and molecules as well as the study of reaction pathways and transition states...

Atom is a free and open-source text and source-code editor for macOS, Linux, and Windows with support for plug-ins written in JavaScript, and embedded...

(known by the aliases Nuklon and Atom Smasher) is a superhero appearing in American comic books published by DC Comics. Atom Smasher is known for his power...