The heaviest sub-atomic particles is ?
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Electrons
Electrons are negatively charged and are the heaviest subatomic particle. Protons are positively charged and the lightest subatomic particle. Neutrons have no charge and are the lightest subatomic particle. The mass of a neutron nearly equals the mass of a proton.
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Answer:
the heaviest fundamental particles are top quarks as 173 billion electronvolts
Explanation:
1 electron : 1 electronvolt
proton and neutron: 2,000 electronvolts
top quark: 30 times smaller than bottom quark
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