a) Write an expression similar to En = -13.6 eV/n2 ? E2 = -13.6 eV/22 = -3.40 eV

Question

a) Write an expression similar to En = -13.6 eV/n2 ? E2 = -13.6 eV/22 = -3.40 eV for the energy levels of the sole remaining electron. (Use the following as necessary: n.)

En=eV

(b) Find the energy corresponding to n = 7.

eV

(c) Find the energy corresponding to n = 1.

eV

(d) Calculate the energy of the photon emitted when the electron transits from the seventh energy level to the first energy level. Express the answer both in electron volts and in joules.

eV

J

(e) Find the frequency and wavelength of the emitted photon.

Hz

nm

(f) In what part of the spectrum is the emitted light?

---Select--- infrared region ultraviolet region visible light region x-ray region gamma ray region

Explanation / Answer

a) Write an expression similar to En = -13.6 eV/n2 ? E2 = -13.6 eV/22 = -3.40 eV

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