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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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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

User Floating Cat
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1 Answer

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The mass of a proton is approximately equal to the mass a neutron
User Lahiru Jayakody
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