Ollie454 Ollie454

04-06-2015
Chemistry

contestada

In which pair do the particles have approximately the same mass?
(1) proton and electron
(2) proton and neutron
(3) neutron and electron
(4) neutron and beta particle

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stephenlee0912 stephenlee0912

04-06-2015

The answer is (2). Both the proton and the neutron have masses around 1amu.

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