Mass of an electron is:

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8 + 1 =
Solve this simple math problem and enter the result. E.g. for 1+3, enter 4.

Mass of an electron is:

1.672 x 10⁻²⁴ g

9.106 x 10⁻²⁸ g

1.0087 x 10⁻²⁴ g

9.262 x 10⁻²⁴ g