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BartSMP [9]
3 years ago
8

Of the following transitions in the Bohr hydrogen atom, the __________ transition results in the emission of the highest-energy

photon.
A. n=6 to n=1
B. n=1 to n=6
C. n=1 to n=5
D. n=5 to n=1
Chemistry
1 answer:
AnnZ [28]3 years ago
5 0

Answer:

  • Option A. n = 6 to n = 1

Explanation:

Niels Bohr was a Danish physicist who proposed the hydrogen atom quantum model to explain the discontinuity of the atom's emission spectra.

In <em>Bohr hydrogen atom</em> model, the electrons occupy orbits identified with the numbers <em>n = 1, 2, 3, 4</em>, ... Each number (orbit) corresponds to a different energy level  or state. The number n = 1 corresponds to the lowest energy level, and each higher number corresponds to a higher energy level.

This table shows the relative energy of the different orbits of the <em>Bhor hydrogen atom</em><em>:</em>

Orbit      Quantum       Energy      Relative

              number         level          energy

First          n = 1                  1                   E₁

Second    n = 2                 2                2E₁

Third        n = 3                 3                 9E₁

Fourth      n = 4                 4                16E₁

Fifth          n = 5                5                25E₁

Sixth         n = 6                6                36E₁

Seventh    n = 7                7                49E₁

When an electron jumps from a higher energy state down to a lower energy state, it emits a photon with an energy equal to the difference of the energies between the initial and the final states.

Since the <u>n = 6 to n = 1</u> transition results in the higher relative energy difference (36E₁ - E₁ = 35E₁), you conclude that it is this transition which results in <u><em>the emission of the highest-energy photon,</em></u><em> which is the option A. </em>

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1. An oxide of chromium is found to have the following % composition: 68.4% Cr
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