Which row is correct for the relative masses of subatomic particles?
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Electron — 1; Proton — 1/2000
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Proton — 1; Neutron — 1
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Neutron — 1/2000; Proton — 1
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Electron — 1; Neutron — 1/2000
📝 Detailed explanation
The relative masses of a proton and a neutron are approximately 1, while the relative mass of an electron is about 1/2000.
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