Electron affinity
Electron affinity
The amount of energy that is released when an electron is added to an atom.Electron configuration
Electron configuration
The symbolic representation used to describe the electron occupancy of the various energy
sublevels in a given atom.
Electronegativity
Electronegativity
A measure of the ability of an atom to attract the electrons in a bond.Electron spin
Electron spinThe intrinsic angular momentum of an electron, having arbitrary values of and . See
Spin quantum number.
Element
Element
A substance that cannot be further broken down by chemical means. All atoms of a given
element have the same number of protons.
Emission spectrum
Emission spectrum
The spectrum produced by a species emitting energy as it relaxes from an excited to a lower
energy state.