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the electron is a subatomic particle with a mass of m[sub]e[/ sub]=(9.1093897 & #177; 0.0000054)e-31 kg and a negative charge of [i]e[/ i]=(1.60217733 & #177; 0.00000049)e-19 c \t\t
電子は原子を構成する粒子。質量: m[sub]e[/sub]=(9.1093897#177; 0.0000054)e-31 kg 負電荷: [i]e[/i]=(1.60217733 & #177;0.00000049)e-19 c \t\t