Atomic Theory

+**Atomic Theory**

+Atomic theory is the scientific model explaining that all matter is composed of discrete, fundamental units called [Atoms](/wiki/atom). This foundational concept, evolving from ancient philosophy to modern science, underpins our understanding of [Chemistry](/wiki/chemistry). It reveals the universe's structure, from the smallest particles to vast galaxies.

+## See also

+- [Atom](/wiki/atom)

+- [Element](/wiki/element)