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Number of subatomic particles for hydrogen

User Noele
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Hydrogen (like any other atom) contains protons, neutrons and electrons. Hydrogen has one proton and one neutron. They are the only element with one proton
User Lfjeff
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it has 2 subatomic particles, 1 proton and 1 neutron. However the atomic mass is just 1
User Nazim Hafeez
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