Quantum Numbers

Quantum numbers describe the state of electrons in an atom. Learn about the principal quantum number, orbital quantum number, magnetic quantum number, and spin quantum number in this interactive tutorial. Continue reading

Electron Orbitals

Electron configuration in an atom is organized into orbitals and differently shaped subshells. Learn about the s subshell, p subshell, d subshell, and f subshell (and more) in this interactive tour. Continue reading