Mass of Electrons

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Isabel Day 1D
Posts: 48
Joined: Fri Aug 09, 2019 12:15 am

Mass of Electrons

Postby Isabel Day 1D » Sun Oct 13, 2019 3:17 pm

Do electrons vary in mass or is it always the same?

Anne Tsai 1F
Posts: 50
Joined: Thu Jul 25, 2019 12:15 am

Re: Mass of Electrons

Postby Anne Tsai 1F » Sun Oct 13, 2019 3:20 pm

The mass of an electron is always 9.109 x 10^-31 kg.

Dan M -3E
Posts: 101
Joined: Wed Sep 18, 2019 12:19 am

Re: Mass of Electrons

Postby Dan M -3E » Sun Oct 13, 2019 3:23 pm

It's always the same.

Camellia Liu 1J
Posts: 51
Joined: Sat Aug 24, 2019 12:15 am

Re: Mass of Electrons

Postby Camellia Liu 1J » Sun Oct 13, 2019 3:24 pm

I believe all electrons have the same mass. In J.J. Thomson's experiment involving cathode rays, he found that electrons were the same regardless of the metal that was used for the cathode. The mass of an electron I think is approximately 9.109x10^-31 kg or 5.489x10^-4 amu.

alexfwang3g
Posts: 50
Joined: Thu Jul 11, 2019 12:16 am

Re: Mass of Electrons

Postby alexfwang3g » Sun Oct 13, 2019 3:28 pm

They're constant at around 9.11 x 10^-31 kg.

Anokhi Patel 2B
Posts: 76
Joined: Fri Aug 09, 2019 12:17 am

Re: Mass of Electrons

Postby Anokhi Patel 2B » Sun Oct 13, 2019 3:54 pm

The mass of an electron is always constant at 9.10938356 × 10-31 kilograms and corresponds to a resting energy of 0.115 MeV.

Sreyes_1C
Posts: 90
Joined: Fri Sep 28, 2018 12:19 am

Re: Mass of Electrons

Postby Sreyes_1C » Sun Oct 13, 2019 7:38 pm

I believe it is always the same and it was a constant listed in the test sheet last week.


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