The outermost electron shell, also referred to as the valence shell, determines a component’s chemical habits. The variety of electrons residing inside this shell dictates how readily an atom will work together with different atoms to kind chemical bonds. For instance, components with almost full valence shells are inclined to readily settle for electrons, whereas these with just a few valence electrons are inclined to donate them.
A full valence shell imparts distinctive stability to an atom. This stability interprets to an absence of reactivity, making such components chemically inert. This inherent stability has traditionally led to their software in eventualities the place inert environments are essential, similar to in lighting and protecting atmospheres.