A Hydrogen Atom Is in Its First Excited State (N

question 40

Multiple Choice

A hydrogen atom is in its first excited state (n = 2) . The linear momentum of the electron is (in kg ⋅ m/s)

• A) 3 × 10−²⁴
• B) 2 × 10−²⁴
• C) 1 × 10−²⁴
• D) 4 × 10−²⁴
• E) 3 × 10−¹⁵

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