A hydrogen atom (Z = 1) is in its 3rd excited state. It makes a transition...

Question

Question

A hydrogen atom (Z = 1) is in its 3rd excited state.

It makes a transition to a different state, and either a photon is absorbed or emitted.

a)Which transition(s) are emitting?

b)Which transition(s) are absorbing?

c) What is the energy of the photon emitted when the electron jumps from n = 4 to n = 3?

Answer 1

Answer #1

A) From higher excited state to lower excited state.

for ex : n= 3 to n=2

B) From Lower excited state to higher excited state.

for ex : n= 3 to n=4

C) E = (13.6 eV) [1/n_f² - 1/n_i²]

E = 0.6611 eV

E = 0.6611*1.60 x 10^-19 J/eV = 1.05776 x 10^-19 J

Answer 2

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