Biology, asked by billu160, 9 months ago

limitations of Bohr modal ​

Answers

Answered by raihasalam786
0

Answer:there is no limitations on bohr's structure of an atom

Explanation:

Answered by maryansari01
1

Explanation:

Bohr's biggest contribution in his model was to introduce quantum principles to classical physics, but his model had a few limitations:

Spectra of Large atoms:

The Bohr model could only successfully explain the hydrogen spectrum.

It could NOT accurately calculate the spectral lines of larger atoms.

The model only worked for hydrogen-like atoms

That is, if the atom had only one electron.

Relative Spectra Intensity :

Bohr's model could not explain why the intensity of the spectra lines were NOT all equal.

This suggests that some transitions are favoured more than others.

Hyperfine spectral lines :

With better equipment and careful observation, it was found that there were previously undiscovered spectral lines

These were named Hyperfine lines and they accompanied the other more visible lines.

Bohr's model could not explain why this was the case due to the lack of equipment and development in quantum physics.

The reason for these lines is actually because of a hyperfine structure of atoms.

Solved through developments into Matrix Mechanics

The Zeeman effect :

It was found that, when hydrogen gas was excited in a magnetic field, the produced emission spectrum was split.

Bohr's model could not account for this

Solved by accounting for the existence of a tiny magnetic moment of each electron.

Stationary states:

Although Bohr stated that electrons were in stationary states, he could not explain why.

The reason is covered later

Mixture of Sciences

The Bohr model was a mixture of quantum and classical physics

This is an issue because it was thought that quantum physics was completely irrelevant and different to classical physics.

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