katieee3 katieee3
  • 14-10-2016
  • Chemistry
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what is a relative mass of an electron

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Аноним Аноним
  • 14-10-2016
QUICK ANSWER

Electrons have a relative mass of 9.1 x 10^-31 kilograms, or 0.51 megaelectron volts. They are a lot smaller than protons and neutrons; and, an electron is roughly 0.054 percent of the mass of one neutron. 

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payshencec21
payshencec21 payshencec21
  • 21-11-2018

The mass of a hydrogen atom.

Hope this helps!

-Payshence

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