The Principle Quantum Number for the Electron in a Hydrogen

question 35

Multiple Choice

The principle quantum number for the electron in a hydrogen atom is n = 5. According to the quantum mechanical picture of the atom, what is the maximum possible value for the magnitude of the z-component of the angular momentum of the electron?

• A)3.17 × 10^-34 kg .m²/s
• B)4.22 × 10^-34 kg . m²/s
• C)1.99 × 10^-34 kg . m²/s
• D)1.06 × 10^-34 kg . m²/s
• E)2.11 × 10^-33 kg . m²/s

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