Some elements have an unstable electron configuration in their outermost shell, so they want to get rid of those electrons to make the configuration more stable. These elements are defined as metallic, and make up most of the elements.
Kinda like birds, but much deeper/lower & also slower. Instead of making 12 sounds in 1.5 seconds, they would maybe take like 6 seconds to make the same 12 sounds.
Many of them equate career to quality of person.