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03-11-2019
Chemistry

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what is the mass of a proton equal to

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04-11-2019

The mass of a proton = 1.6726219 × 10^-27 kg.

It’s almost the exact same number as the mass of a neutron, which is 1.674927471×10^-27 kg. The mass of an electon is much less, even negligible.

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