Relax

Respuesta :

The mass of an electron is:
 0.00054386734 or 9.1 x 10^-31 kg.
Good Luck!!
The mass of an electron is:
 0.00054386734 or 9.1 x 10^-31 kg. all credit is to OctaviaLily they said it first they deserve brainliest answer.