<p align="right">Last Update: <font color="#4f81bd">November, 25, 2024</font></p> ## BIG IDEA - Isotopes are forms of an element with different mass numbers - number of neutrons **Naming convention** [name or symbol] hyphen [mass number] **Example** $^{13}C$ or carbon-13 or C-13 Carbon makes up 99% of naturally occurring carbon ### 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]]