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Question

What is the absolute mass and charge of a proton?


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Solution

Definition

  1. A proton's mass is approximately equivalent to that of a hydrogen atom. One electron, as well as a proton, makes up a hydrogen atom. Because the mass of an electron has been deemed unimportant, the mass of a hydrogen atom is approximately equivalent to the weight of a proton. A proton has a mass that is 1840 times that of an electron.
  2. A proton's charge would be equal to and opposing to that of an electron. As a result, it has a unit-positive electrical charge.

Finding the absolute mass and charge of a proton

Massofproton=1.676×10-27kg=1.676×10-24g=1.6726219×10-27kg

Chargeofaproton=+1.602×10-19coulombs

Therefore, the absolute mass of proton is 1.6×10-27kg and absolute mass of proton is 1.6×10-19coulombs.


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