"4f7" describes an Electron Configuration where the 4f subshell contains seven electrons. This precisely half-filled arrangement confers particular stability and often distinct Magnetism, notably observed in certain Lanthanides and their ions.
"4f7" describes an Electron Configuration where the 4f subshell contains seven electrons. This precisely half-filled arrangement confers particular stability and often distinct Magnetism, notably observed in certain Lanthanides and their ions.