Calculate the Energy, in Joules, Required to Excite a Hydrogen

question 125

Multiple Choice

Calculate the energy, in joules, required to excite a hydrogen atom by causing an electronic transition from the n = 1 to the n = 4 principal energy level. Recall that the energy levels of the H atom are given by E_n = -2.18 × 10^-18 J(1/n²) .

• A) 2.07 × 10^-29 J
• B) 2.19 × 10⁵ J
• C) 2.04 × 10^-18 J
• D) 3.27 × 10^-17 J
• E) 2.25 × 10^-18 J

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