EMP031503 EMP031503

27-03-2020
Chemistry

contestada

1. The mass of a proton is approximately equal to the mass of

A) an alpha particle C) a positron
B) a beta particle D) a neutron

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jennifersullivan2017 jennifersullivan2017

27-03-2020

The mass of a proton is approximately equal to the mass a neutron

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