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How many protons does one atom of hydrogen contain?

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Answer:

1 Proton

Step-by-step explanation:

Hydrogen (H) atoms have 1 proton. Hydrogen atoms with 1 proton and 1 electron are neutral hydrogen (1H1). Hydrogen atoms with 1 proton, 1 electron, and 1 neutron are a heavy isotope of hydrogen called deuterium (2H1). If a proton is added to hydrogen, we then have a different element - helium (4He2)

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