[/caption] The mass of the electron, or the electron’s mass, written as me, is 9.109 382 15(45) x 10-31 kg. This is the “CODATA recommended value”. It was published in March 2007, and is referred to as the 2006 CODATA recommended value. Some background: CODATA stands for Committee on Data for Science and Technology. Per … Continue reading "Electron Mass"