<p align="right">Last Update: <font color="#4f81bd">November 25, 2024</font></p> ## BIG IDEAS - Building blocks of matter. - Composed of a nucleus and an electron cloud. - There were numerous models of the atom, replaced as more experiments were completed on the atom. ### Related Topics --- [[Home|Home]] | [[Quantum mechanics]] | [[Notes Vault/Physics Notes Vault/Quantity of Motion/Quantum Mechanics/Blackbody Radiation|Blackbody Radiation]] | [[Photoelectric Effect]] | [[Atomic Theory]] | [[Atom]] | [[Early Models of the Atom]] | [[Bohr Model]] | [[Electrons]] | [[Nucleons]]