C-03-Q086mediumsingle_mcqThe mass of an electron is:a1.67×10−241.67 \times 10^{-24}1.67×10−24 gb9.11×10−289.11 \times 10^{-28}9.11×10−28 gc9.11×10−319.11 \times 10^{-31}9.11×10−31 gd1.66×10−241.66 \times 10^{-24}1.66×10−24 g