shell electron spin resonance; ESR electron-dot symbol electronegativity electron configuration electrophoresis electroplating electropolishing electrorefining element elimination reaction Empedocles empirical formula emulsion end point endocrine disruption chemicals endothermic reaction energy level enol enrichment factor ...
The amount of current controls the number of electrons emitted by the filament. An electric field accelerates these electrons across the source region to produce a beam of high energy electrons. When an analyte molecule passes through this electron beam, a valence shell electron can be removed ...