+Atoms are the fundamental building blocks of all [Matter](/wiki/Matter), too small to be seen with the naked eye. Each atom consists of a dense central [Nucleus](/wiki/Nucleus) surrounded by a cloud of orbiting electrons, defining its unique properties as an element. They are the smallest unit of ordinary matter that forms a chemical element.
+## See also
+- [Element](/wiki/Element)
+- [Molecule](/wiki/Molecule)
+- [Particle Physics](/wiki/Particle_Physics)
... 1 more lines