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Which particle has a mass that is approximately equal to the mass of a proton? (1) an alpha particle (2) a beta particle (3) a neutron (4) a positron
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Which particle has a mass that is approximately equal to the mass of a proton?

(1) an alpha particle
(2) a beta particle
(3) a neutron
(4) a positron

User Elsa
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1 Answer

3 votes
a neutron. option (3).
User Akshay Mulgavkar
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