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Bookmark or Share- Atom - WikipediaAn atom consists of a nucleus of protons and generally neutrons, surrounded by an electromagnetically bound swarm of electrons. The chemical elements are distinguished from each other by the number of protons that are in their atoms.
- What is an atom? Facts about the building blocks of the universeAtoms are made up of a nucleus, protons and electrons. Atoms consist of a nucleus made of protons and neutrons orbited by electrons.(Image credit: Rost-9D via Getty Images) Jump to: Subatomic...
- Basic concept and structure of an atom | Britannicaatom, Smallest unit into which matter can be divided and still retain the characteristic properties of an element. The word derives from the Greek atomos (“indivisible”), and the atom was believed to be indivisible until the early 20th century, when electrons and the nucleus were discovered.
- Structure of atom | Khan AcademyLearn. Quantum Wavefunction. The quantum mechanical model of the atom. Quantum numbers. Quantum numbers for the first four shells. Shells, subshells, and orbitals. The periodic table, electron shells, and orbitals.
- 22.1 The Structure of the Atom - Physics | OpenStaxThis free textbook is an OpenStax resource written to increase student access to high-quality, peer-reviewed learning materials.
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