What is the mass of an electron? Please help

9.10938356 × 10-31 kilograms

Explanation:

lightest stable subatomic particle known. It carries a negative charge of 1.602176634 × 10−19 coulomb, which is considered the basic unit of electric charge. The rest mass of the electron is 9.1093837015 × 10−31 kg, which is only 1/1,836the mass of a proton.

i think it is d. e because the next one is igneous.

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