Electron configuration refers to the arrangement of electrons in an atom or molecule. It describes how the electrons are distributed among the various atomic orbitals and energy levels.
Electron configuration is important because it determines the chemical and physical properties of an element. It also helps in understanding the reactivity and bonding behavior of atoms.
Electron configuration is determined by the position of an element in the periodic table. The number of electrons in an element's outermost energy level determines its electron configuration.
The noble gas configuration is the electron configuration of the noble gases, which have a stable outer energy level. Elements with a noble gas configuration tend to have lower reactivity and are less likely to form bonds with other elements.
Yes, electron configuration can change. Elements can gain or lose electrons, causing a change in their electron configuration. Also, elements may undergo chemical reactions and form compounds, resulting in a change in their electron configuration.