subshell
/ˈsʌbˌʃɛl/
noun
- A subdivision of an electron shell in an atom, containing orbitals of the same energy level.
- The p subshell can hold up to six electrons.
- In chemistry class, we learned how electrons fill the subshells in order of increasing energy.
- Each electron shell is made up of one or more subshells, such as s, p, d, or f.