The 1s peak refers to the electron transition from the innermost energy level (1s orbital) to a higher energy level, resulting in the emission of X-rays. It provides information about the electronic structure of an atom.
Related terms
Binding Energy: The amount of energy required to remove an electron from its atomic orbit. It determines how tightly electrons are held by the nucleus.
Electron Configuration: The arrangement of electrons in different orbitals around the nucleus of an atom.
Ionization Energy: The minimum amount of energy needed to remove an electron from a neutral atom or ion in its ground state.