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How much energy is required to ionize a hydrogen atom in its ground?
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How much energy is required to ionize a hydrogen atom in its ground?

User Pablo Sanchez Gomez
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Your welcome for giving you the answer
User Wasigh
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An ionization energy of 2.18 × 10−18 joule (13.6 electron volts) is required to force the electron from its lowest energy level entirely out of the atom.

Hope this helps!! (If not sorry!)
User Tim Nyborg
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