affinity electron affinity electron affinities affinity en.wikipedia.org/wiki/Electron_affinity electron affinity electron affinity affinity electron affinity electron affinity Electron affinity affinity Electron affinity - Wikipedia, the free encyclopedia electron affinity electron affinity electron affinity English electron affinity electron affinity electron affinity electron affinities English electron affinity affinity English electron affinity Electron Affinities electron affinity affinity affinity English electron affinity affinity Electron affinity English Electron affinity electron affinity [en] electron affinity electron affinity electron affinity electron affinity affinity electron affinity